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Family Members Edit
In the Haltina Labyrinth, Hajime was instantly able to tell that Yue had been replaced by a slime that was impersonating her and was instantly able to identify Yue even though she was forcibly transformed into a goblin. Although she became a goblin, Hajime was able to understand her. Even though Hajime is surrounded by women who want to be his lovers and Yue herself wants him to be intimate with her, he has never wavered in loving only her until Yue finally convinced him to accept Shea as his lover as well. His reasoning being that he is a man who would never cheat on the woman he loves and wants to be monopolized by Yue since, if the situation was reversed, he would never want Yue to be with anyone but him.
In battle, they move with perfect synchronicity and are able to anticipate each others moves. After clearing the Labyrinth and Ehit's death, Hajime holds hands with Yue to use ancient magic create a crystal key which enable to open a doorway back to Japan. It is Hajime's wish to bring Yue and the other girls back to his world, as she and Kaori among his wives are the closest to him.
Hajime has always seen Kaori as a friend even though her attention brought him nothing but trouble. When Hajime began his travels he had decided to discard his former classmates after his transformation but the moment he heard Kaori was in trouble he went into a dungeon to save her to repay her kindness. In the end, Kaori decided to travel with him determined to win his affection despite his drastically different personality.
While Hajime said he won't respond to her feelings because he was in a relationship with Yue, she refused to give up on winning him over. Hajime has proven that he does see Kaori as someone important in his life, becoming incredibly furious and brutal towards anyone who harmed her to the point where he will make them suffer horribly before killing them.
In the harsh journey, Hajime offered Kaori to return to Shizuku but she refused and always remained in his side no matter how brutal Hajime or how harsh the journey might be. After Kaori was killed, he became absolutely furious when he unleashed his true power by destroying every single one of Eri's undead troops and slaughtered Hiyama, while at the same time, determined to revive her using spirit magic, putting it as his top priority at the time.
After the Haltina Labyrinth, due to realizing how much his comrades (the harem) meant to him after his feelings about them were magically reversed due to magic, he was forced to publicly admit that even Kaori had a chance to make him fall for her. Eventually, Hajime does develop feelings and love for Kaori after she comforted him at his loss for Yue, and accepts her as one of his lovers/wives.
During their first meeting, Hajime's impression of Shea was bad due to her excessive clingy attitude. Hajime wouldn't allow Shea to travel with him until she became strong so she trained with Yue so that one day she could stand next to them in battle.
As time passed Hajime and Yue began to see Shea as part of their family but to Shea's and shockingly Yue's great disappointment Hajime could not see Shea in a romantic light. However, that began to change during their return to the Haltina forest, where her concern for her father who had gone missing, damped her smile so much that it forced Hajime to delay his plans to conquer the labyrinth.
During the ordeal, he slowly started to see Shea in a different light. After the Haltina labyrinth, Hajime eventually realized that Shea is just as important and irreplaceable to him as Yue and has begun to show his previously hidden feelings for her and subsequently confessed to her. Without realizing it the two have created their own "pink world" while they are alone.
While Hajime has come to respect Shea for how far she's come, he does miss the old useless Shea, feeling nostalgic when he does. After they marry, she and Yue become his two most favorite wives.
After defeating and arguably "tainting" her, Hajime has been followed by the masochistic and incredibly perverted Tio who refers to him as her "master". Hajime constantly finds himself punishing her for her various misdeeds during their travels which makes Tio incredibly happy and disgusts everyone else.
While initially Tio joined Hajime with the intention of using him to fight the gods that destroyed her country, Tio soon fell in love with him and wanted to stay at his side. Tio's wish of using Hajime to achieve her revenge was known to Hajime which is why he had her aid him during his battle against Noint by defeating the Holy Church members that were interfering in his fight thus helping her achieve her revenge.
During their fight against Freid Bagwa, Tio admitted her true love for Hajime before escaping per his orders. Since then, Hajime has become "slightly" more tolerant of her and sees Tio as a member of their group, even going so far as to trust her with Myu's safety while he and the others went into a dungeon. He also has great respect for her level-headedness and being able to remain calm in situations even Yue couldn't hold her composure.
This in addition to her always doing her best to get along with everyone and her superb insight, Hajime was forced to admit to himself that if it wasn't for her perverseness, she could be the perfect woman. However, even when Tio was transformed into Super Tio, the graceful princess of dragonmen who wasn't perverted, Hajime himself said that he preferred the perverted Tio and reverted her back to her perverted self by insulting her.
Hajime later confesses that he loves her when her grandfather and the rest of the dragon race decide to help him wage war on Ehit. While Hajime's treatment and feelings have improved, he still doesn't hesitate to punish Tio like before, both out of affection and annoyance.
Hajime cannot handle Shizuku for she knows his secrets such as middle school stuff. Hajime regarded Shizuku as the most reliable of all his classmates. Hajime has always had a positive opinion of Shizuku because she always helped him out before they were summoned to Tortus and didn't cause him any trouble, unlike Kaori.
Shizuku sympathized with Hajime's plight as the target of bullying by Hiyama and his gang as a result of Kaori's infatuation with him due to her similar circumstances in the past as Kouki's childhood friend. Even after his transformation, he still spoke with her more nicely compared to the rest of his classmates and willing to help her out on many occasions, including giving her one of his masterpieces, a new enchanted Katana that works better for her fighting style and consoling her after Kaori's death.
The way he got along with Shizuku caused Yue to see her (Shizuku) as "the last boss", who she and Kaori might have to go up against for Hajime's feelings. After reviving Kaori, Shizuku owed Hajime a great debt for reviving her best friend. After conquering the trials in the true Haltina Labyrinth, Shizuku couldn't stop thinking about Hajime due to her own preferences for men that she can rely on, in addition to her living an illusion where Hajime is her prince.
After Hajime saved Shizuku from being killed by her doppelganger, and also gave Shizuku encouragement to accept her negative feelings that allow her to defeat her doppelganger, it cemented Shizuku's resolve to pursue her love for Hajime. Happily accepted a hand-crafted hairclip type restoration magic Artifact from Hajime as his second present to her, Shizuku peacefully slept on Hajime's back as he carried her (while she is sleeping) to find the others.
After Hajime stopped a corrupt Kouki's rampage without killing him, with gratitude and love, Shizuku affectionately kissed Hajime, confessing to Hajime her love for him, and she will do anything to become his lover which Hajime silently accepted and did not reject compared to the time he received Kaori's love confession, given how he has already decided to practise polygamy with the other women of his harem.
After returned to Japan, Shizuku became one of Hajime's wives. Unfortunately, her so-called "fans" of the "Soul Sisters" (who are actually her annoyances) failed to try break her with Hajime and the students of her family's dojo failed of attacking Hajime only for both these groups to be easily defeated and completely humiliated by Hajime which after they caused misfortune to Shizuku.
His homeroom teacher who was transported to Tortus along with her students. At first, she thinks of him as one of the students that she cares for. She feels very responsible for his apparent death and does whatever she can to protect her students, even using herself as a bargaining chip.
Later, after Hajime had killed Shimizu, knowing that he had done it for her sake, she becomes conscious of him as a member of the opposite sex. She later comes to accept that she loves him after he saved her from Noint and he comforts her after she destroyed the holy church and killed all the clergy, although she's still troubled with the fact that she is older and his teacher.
However, Hajime later pointed out both of her problems are meaningless as he will stop being her student after he graduates high school and their age different is pretty pointless considering how much older Yue and Tio are in comparison.
The Crown Princess of the Heiligh Kingdom. She is one of the few people in Heiligh Kingdom who did not look down on Hajime due to his lack of combat job and treated him kindly compared to everyone else in Heiligh Kingdom, who dismissed him as worthless.
When she found out that Hajime survived and Kaori decided to travel with him, she tried to dissuade her father, the nobles and the Church from declaring Hajime a heretic so that both he and Kaori could have a place to return to. After her father and nobles started behaving oddly, she sought out Kaori and Hajime to get help as they were the only people left she could trust.Although she knew that Hajime didn't care about the people of Tortus anymore, she was able to convince him to come back to the capital with her, where Hajime defeated Noint and the demon army who were invading the capital. Liliana is very grateful to Hajime for saving the capital and wanted him to stay as deterrent against future demon attacks which he refused but he compromised by repairing the capital's barrier.
After she managed to convince Hajime to drop her off in the Hoelscher Empire, she quickly grew angry and exasperated with Hajime due to him causing her trouble during her diplomatic trip. After Hajime stopped Prince Baius attempt tor rape her, Liliana became smitten with Hajime due to him rescuing her in her time of need. During the her engagement ball, she asked Hajime if he could save her as Hajime agreed due to her being one of Kaori's precious friends, causing Liliana to fall in love with him. After the “The Haulia Rebellion”, Liliana would attempt to get closer to Hajime but he would usually ignore her, causing her to become tearful.
In the After Story, it is revealed that Liliana succeeded in getting Hajime to fall in love with her. When Hajime returns to Tortus, he takes Liliana back with him to Earth with the blessing from her subjects, as they had originally believed she had eloped with Hajime and their desire to see the princess who they care for happy. She is very happy when he flirts with her and spoils her, blushing when it seems apparent that the two of them would become physically intimate. Hajime is the first to notice Liliana's workaholic habits and tries to help her get rid of them.
Hajime and Shea saved her from a sewage system after she escaped from slavers. Myu immediately bonded with them and began to call them "Onii-chan" and "Onee-chan". Later on, after Hajime and co. once again saved her from slavery she began calling him "Papa" much to Hajime's chagrin. As they traveled together Hajime began acting more and more like her father, from being incredibly overprotective to scolding and subsequently comforting her when she put herself in danger. After returning Myu to her mother, Remia, who started referring to Hajime as her husband, Hajime decided to take them with him once he returns to his world which both mother and daughter happily agreed to.
Myu's Mother is one of Hajime's wives. Remia sees Hajime as a savior and a father figure for her daughter while falling in love with him as time progress. She even addresses him as "darling" several times when talking to him and enjoys acting as his wife while they are together.
As their only son, Shuu and Sumire held immense love for Hajime which he also reciprocated, having inherited their Otaku passion and interests, earnestly assisted them in their work. When Hajime suffered from bullying, Shuu and Sumire allowed Hajime to make his own choice if he wished to transfer to another school to avoid bullying or stay on.
Hajime would frequently discuss with his parents about their otaku interest including what would happen if he were to be summoned to another world which ironically came true when Hajime was summoned by Ehit to Tortus. When Hajime fell into the depths of the Orcus Labyrinth and lost an arm, it was ultimately his desire to reunite with his parents again that gave him the resolve and willpower to fight and conquered the dangers of the Orcus Dungeon, doing everything in his abilities to become strong enough to survive and returned home, doing so with immense conviction, even if it means becoming a genocidal mass murderer or even a god slaying destroyer as Shizuku had actually predicted in Volume 8 when Hajime actually slayed Ehit while in his journey to returned home back to his parents.
The relationship between the two is complicated to say the least. Hajime respects him as a father in law but has trouble with his chuuni actions and the fact that Cam sees him as his superior officer.
Liliana's younger brother and the Crown Prince of the Kingdom of Heiligh. Lundel hates Hajime for "stealing" Kaori from him and seducing his sister who he respects. He always challenges Hajime to a fight only to be hit by Hajime with a sugar cube while Hajime finds his attempts humorous and interesting.
Liliana's mother. She is grateful to Hajime who saved her kingdom and the world of Tortus from Ehito. When Liliana returned from the Empire and complained about Hajime, Luluaria got into high spirits unbecoming for her age. She is happy that Liliana found love since she feels guilty about how much Liliana has done for the kingdom including offering to marry Baius D. Hoelscher for the sake of having the Empire help the Kingdom despite her own misgivings about him and her maidenly desire to find love. However, she is worried about her daughter's habit of working too hard for the sake of the kingdom and how she would not be able to build a good marriage life. She is one of the few people that Hajime talks with respectfully.
Tio's grandfather and leader of the dragon clan. Hajime meet him before the final battle against Ehit. Hajime treated him respectfully and apologized for turning Tio into a pervert, resolving to receive a punch from him before the final battle begun. Adul, although shocked by his granddaughter's transformation, accepted it.
He asked Hajime if he truly loved Tio, as Adul wouldn't allow Tio to risk her own life by going into the Holy Precincts with unclear feelings. Hajime answers that while he is in love with Yue, he also loves Tio. Satisfied with his answer, Adul asks that Hajime take care of Tio, to which Hajime promises to take care of her until the end of his life.
Adul is grateful to Hajime that Tio has found her happiness. During the final battle, he witnesses and compliments Hajime's power while expressing amazement at Hajime's artifacts that strengthened him. Adul is one of the few people Hajime treats respectfuly and is the person he respects most among the adults that he knows, so much so that Hajime's father became jealous of their interaction.
Whenever Adul witnesses Tio's happiness or gets complemented by Hajime and Myu, he loses his imposing dignified aura, instead transforming into a good-natured old man.
Tomoichi Shirasaki Edit
Kaori's father. Hajime relationship with Tomoichi can best be described as complicated due to the latter being too doting towards his daughter. Most of the time, Tomoichi is hostile towards Hajime because he's dating Kaori, while also having a harem. Hajime understands Tomoichi's feelings on this well enough to admit he would feel the same way if something similar happened to his own daughter Myu.
At the same time, Tomoichi is grateful to Hajime for protecting his daughter and bringing her home, something he's willing to admit. There are also times where Tomoichi can sympathize with Hajime when it comes to being a father and is willing to lend his experience to him, such as when it comes to dealing with an angry daughter or being confined by their respected wives (Kaori and Kaoruko). Other times, Tomoichi is usually amazed or disturbed by Hajime's artifacts.
Kaoruko Shirasaki Edit
Kaori's mother. She is more openly supportive of Kaori's relationship with Hajime than her husband.
Yaegashi Family Edit
Hajime has a complex relationship with the Yaegashi family. While they are grateful to Hajime for protecting Shizuku and allowing her to be more honest with herself by being more girly, they also repeatedly attack Hajime due to him having a harem while proclaiming himself as Shizuku's lover. Nevertheless, Hajime bears no ill will towards them and gets along with them although he sympathizes with Shizuku when her family's secret ninja habits become a bother to deal with. They also have a lot of interest in Hajime's artifacts and have made some request for them, such as him building them a secret underground space for them or selling them a Neuralyzer New.
Hajime is Ehit's latest archenemy and killer.
The God of Tortus that summon Hajime and his classmates to serve as pawns in his game for his own amusement. At first, Hajime had an instinctive fear of Ehit when he saw his portait in the Holy Church, later, Hajime learns of Ehit's evil nature through the projection of Oscar Orcus and how he manipulated the world in order to stop the Liberator uprising against him as well as his continuous manipulation of all living beings of Tortus. Hajime abandoned all of his respects for Ehit for selfishly summoned him to Tortus for his twisted entertainment and hates all of the gods as he swear that he will kill all of the gods if they dare to get in his way.
Hajime at first had no intention of carrying out the Liberators mission of destroying Ehit, preferring to focus on obtaining Ancient Magic for the sake of returning to Earth with his companions. Due to being the only one alongside Yue to have learnt of Ehit's true nature in the Orcus Dungeon, Hajime had come under Ehit's notice as Hajime had refused to obey Ehit's creed as one of his so called chosen heroes by rejoining his classmates and aid the Holy Church in the war against Demons.
Hajime having foreseen Ehit's schemes through the Liberators's past defeat had tried to warn Aiko about Ehit's true nature in order to prevent his classmates under Kouki's delusional pride and leadership of being God's chosen heroes to come after him under Ehit's manipulation as well as the fact Hajime had prevented tragedies stemming from Ehit's instigation of the Demons such as saving the Lake Town of Ur as well as the Dukedom of Ankaji. Ehit considers Hajime "Irregular" and wishes to remove him from the board as he has become too powerful and disruptive to Ehit's plans as his greatest pawns, the Holy Church, Heligh Kingdom and his other chosen heroes including Kouki himself could do nothing against Hajime no matter how much he defy Ehit, thus sending his Apostle Noint to assassinate him. However, when Hajime killed Noint and used her corpse to revive Kaori as an insult to the God, Ehit shown in fear and rage.
When Tio revealed to Hajime of Ehit's responsible of her parents and people's deaths, Hajime decided to fulfill Tio's sake to kill Ehit.
However, when Ehit's pawns notice that Yue, Ehit's long lost desired host was Hajime's companion, Ehit changed his plans and focused on securing Yue as his host body. Knowing that Hajime and Yue are powerful enough to clear the Labyrinths, Ehit decided to wait until Yue managed to acquire all of the Ancient Magic to possess her as he sent his Apostles to aid Freid in capturing all of Hajime's classmates as well as Myu and Remia so they would serve as hostages until Hajime foiled it. Hajime then fought Ehit (while control over Yue's body until she broke free from his control) and allowing him to kill Ehit and put an end to his game forever.
The Grand Commander of the demon race as well as a Ancient Magic user. Freid became aware of Hajime's existence when Hajime foiled the demon invasion of Ur and the ambush of the Hero party in the Great Orcus Labyrinth, in which his subordinate Cattleya lost her life. Seeing that Hajime kept interfering in his plans, Freid went to the Grand Gruen Volcano to obtain it's Ancient Magic in order to become stronger for his confrontation with Hajime. Freid managed to ambush Hajime at the Grand Gruen Volcano, but was unable to defeat him as Hajime despite his injuries managed to fight back against Freid, injuring him in turn thus forcing him to retreat.
Freid faced Hajime again during the demon invasion of Heiligh Kingdom, as he tried to ambush Hajime and trying to take his classmates hostage, mistakenly believing that Hajime was fighting for the Kingdom and that he could make Hajime surrender by using his classmates as hostages. Hajime scoffed at him, as he wiped out 100,000 of Freid's monster army with his Hyperion satellite laser weapon as Hajime called Freid a fool for his ignorance as well threatened to kill him and destroy the rest of his army unless Freid retreated. Though furious, Freid retreated as he did not want to waste his comrades lives though he swore in the name of his God that he would kill Hajime the next time they meet.
Hajime's former bully from the past, but now his direct killed victim.
Before being summoned and falling into the Abyss, Daisuke and his gang bullied Hajime for enabling Kaori Shirasaki to fall in love with him. Daisuke secretly betrayed his classmates by his attempted murder on Hajime.
After Hajime survived and became a ruthless war machine, Hajime has made Daisuke terrified of him because of his monstrous strength of murdering many demons and Cattleya with ease. When Hajime gives a warning to Kouki that he will murder anyone who gets in his way even if they were once classmates, Daisuke is shown in fear that he is now no match for Hajime. When Kaori joined Hajime, Hiyama shown in greater fear when witnessed Hajime easily defeated Kouki in an unarmed duel.
When Hajime and his party prepare to leave, Daisuke tries to convince Hajime to forget what he did to him in the past and rejoin the Hero Party (just so he could get close to Kaori), however, Hajime refused to return to the party by calling Daisuke and his gang worthless and weak as he exposed Daisuke's betrayal after he left Hajime to die in the bottom depths of the Labyrinth in front of him and his gang. He even warned them to stay out of his way if they wish to live causing them to become terrified of Hajime and made Daisuke go insane as he realized that his life was at the palm of Hajime's hands and he will never make Kaori his girlfriend.
After Daisuke revealed his betrayal and temporarily murdered Kaori, Hajime fought Daisuke and overpowered him with ease. While Hajime gripped Hiyama's neck, Hajime tormented and beat up his former bully for killing Kaori as he called Daisuke a weak selfish bully and a real loser as the reason for Kaori to never to fall in love for the likes of Hiyama and he brought about his own downfall after Hiyama blamed Hajime for getting attractions from Kaori. When Daisuke bragged of how he will kill Hajime and make Kaori his one day, Hajime put the nearly broken boned and organ damaged Daisuke out of his misery when Hajime tossed him into the demonic beasts and watched as the demons devoured the screaming Hiyama where Hajime got his vengeance for Daisuke's betrayal for not only avenging Kaori but also his fall into the bottom abyss.
After murdering Hiyama, he warned his classmates that this would happen if anyone dares to cross him and breaks his absolute warning by harming one of his companions (harems). This caused his former classmates and former bullies who were now terrified of his ruthlessness and demonic strength such as Shinji Nakano and Yoshiki Saitou, to repent in front of Hajime and promised not to get in his way or harming one of his comrades (harem) ever again. Hajime scolded Kouki for his obligations of helping and protecting his comrades only to allow an idiot like Hiyama and the intelligent Eri to betrayed him without him ever noticing it. Nakano and Saitou shown proper respect for Hajime after they return to Earth but he usually gets annoyed with them. Every single one of Hajime's former classmates held bitter memories of their hatred on Hiyama for his arrogance and traitorous from both in school and Tortus as a selfish and despicable traitor after Hajime enlightened them.
After returning to Japan, Hiyama's family try to get revenge on Hajime only for them to be defeated by Hajime.
Hajime is Noint's killer.
When Ehit sent Noint, his top apostle, Hajime wasn't impressed with her. He mocked Noint during their fight. Hajime hpostle, as killed Noint and later used her corpse as a vessel to revive Kaori after she was killed by Daisuke. After returning Kaori back into her original body, Hajime kept Noint's body to any case if Kaori dies, he will revive her with Noint's body over and over again.
Hajime is the "Soul Sisters'" sworn enemy and bully as well as the annoyance of his wife, Shizuku.
For the failed attempted to force Hajime to break up with Shizuku and their constant harrasment of him, Hajime easily repelled and bullied the Soul Sisters by grabbing one of them by the neck to force her to drink his laxative before tying up her ponytail hair even using a permanent marker on her face to humiliate her and entire "Soul Sisters" in the wedding photo shoot as a warning if they challenged him again causing them to runaway from their ambush of Shizuku wedding photo shoot with Hajime as well as Hajime completely humiliated them in the wedding photo shoot.
Yaegashi Family Dojo's students Edit
The Students of the Yaegashi's Dojo are extremely jealous at Hajime marrying Shizuku and continually attack him every time he visited the Dojo only for Hajime defeated them all with ease. For Hajime however, isn't impressed and got annoyed by them which he and Shizuku always gotten more annoyed by the students over and over again.
After captured Myu and attempted to sell her and the beastman little girls as slaves, Hajime and his party murdered the dealers including their leader and destroyed all of their hideouts to put an end to slave trades forever.
One of Hajime's classmates who is also a traitor. In his arrival, Hajime prevent Eri's "Blind Soul" from turning Kaori into Daisuke Hiyama's undead sex slave. Eri shown her fears for Hajime as she beg her to spare her life in exchange to make Kaori his slave only for Hajime shown greater rage. Eri send her undead soldiers to attack Hajime only for them to get killed by him. Hajime's wrath caused Eri to become more terrifying after destroying her soldiers and killed Hiyama. After Daisuke and the undead soldiers' deaths, Hajime was willing to kill Eri for her betrayal but got away with Freid.
Hajime is deemed to be the greatest threat to Demons and their land after not only he and his party (harem) murdered Cattleya (who was following orders to recruit the "Hero Party" or kill them if they refuse) and Mikhail, but his disrespectful for the god. When the demon commander, Freid Bagwa and his troops invaded the Heiligh Kingdom and captured Remia and her daughter, Myu as hostages, Hajime wiped out 100,000 initial troops and threaten them to kill them more if they don't retreat which caused them to retreat.
Hajime is Cattleya's murderer.
When Hajime arrived, he tell Cattleya to run or die. She chose to fight him until her army were defeat. When seeing he felt nothing from her strongest attack, Cattleya asked Hajime if he is human which in response when Hajime tell the demon woman that he was once but no longer in turn she called him a monster. Hajime question her of the monsters were actually from ancient magic when clearing the labyrinth which Cattleya realized Hajime cleared the labyrinth and understand of if he is anything like the monsters, his monstrous strength and inhuman strength were checked out which got all of Hajime's answers. After their conversation, Cattleya tells Hajime to shoot her but warned her lover will avenge her one day which Hajime doesn't care who his enemies would be either demon or god. Hajime then shot her at the head caused most of his classmates to be terrified of Hajime.
Close Associates Edit
Hajime is the leader of his own party which initially only consisted of himself and Yue after they escaped the Abyss and were later joined by Shea, Tio and Kaori. He cares very deeply for his comrades (harem) but was first insistent that he only loved Yue in a romantic way but that changed when Shea manged to get Hajime to acknowledge and accept her love for him too which lead him to accept Tio's and Kaori's love as well. Since all the members in his party are beautiful women, Hajime often has to chase away and fend off men (including Kouki) who wish to seduce them, sometimes even threatening them and using violence to keep them away from his harem.
Due to his protective nature, Hajime has fierce determination to protect his comrades and does whatever he can to keep them happy and satisfied as was demonstrated when he protected Shea's Haulia clan and help them take down Hoelscher Empire when they tried to capture the Haulia or when he promised to fight Ehit on Tio and her tribe's behalf. However if one of them was killed (even if temporarily), Hajime shows his wrath by murdering the one who killed his comrade (harem) as he murdered the traitorous idiot, Hiyama for temporarily murdered Kaori. Hajime willing to do anything to revive one of his harems with spirit magic and transferred their soul within Noint's body as he revived Kaori for the sake of her best friend, Shizuku (who indebted Hajime and later fell in love with him). Hajime wins many of their hearts and became popular with beautiful women even more than Kouki.
On the other hand, his female companions are absolutely loyal to Hajime due their love for him and support his desire to return home to Earth even if it means leaving their own home in Tortus and people they care for. They often compete against each other in order to seduce Hajime and want to further their relationships with him even willing to have sex with him and becoming very happy when he compliments them or ogles them, becoming very happy and excited when he does anything lewd to them or when they have sex, as Yue and Shea demonstrated. Due to their absolute love for him, they always ignore when other men attempt to hit on or attempt to seduce them, frequently becoming annoyed when they approach. Kaori made promised with Hajime if she dies, revived her and place her into a stronger body.In After Story, Hajime married his female comrades and became Myu's father as he builds a stable family life with them and deepens his love for them.
Yuka is one of Hajime's classmates who was transported to Tortus. Yuka is grateful to Hajime for saving her life in the Great Orcus Labyrinth from the Traum Soldiers and wishes to pay him back. She is shown to have a crush on him as time passes. The two of them get along to the point that most of the other students in her class call her his 'Mistress' (though they both deny any romantic involvement between each other). Hajime has admitted he trusts Yuka and feels comfortable talking to her about his problems.
Roze is the queen of another world. She is amazed at Hajime's powers and initially mistakes him to be the "Dragon Knight" that she hears from stories of her childhood. After getting to know Hajime and seeing how he mercilessly treats his enemies, Roze now views him as a demon god, but still holds him in high regard. It is implied that she has romantic feelings towards Hajime.
Princess Liliana's former personal maid. She now serves Hajime as the leader of the Fleur Knights combat maid group. Helina is shown to treat Hajime as more of her master than even Liliana as she enjoys serving him and the two of them have a proper relationship of master and servant. Hajime is shown to prioritize Helina's instructions rather then Liliana's wishes, which annoys Liliana as her husband is listening to her maid despite Liliana's status as a princess. Helina was responsible for helping Hajime create the Fleur Knights by scouting out various members for the group. Hajime appointed her as the maid leader of the Fleur Knights.
He is one of Hajime's closest friends and he is considered as the 'Right-Hand of the Demon King'. Though Kousuke didn't used to have much interaction with him before the 'Summoning Incident', he was still affected by Hajime's supposed death in Great Orcus Labyrinth. But after learning that he was alive, and about his journey and how he overcame all the odds, Kousuke started to have respect towards him, especially after Hajime helped him rescue his friends who were ambushed in the Great Orcus Labyrinth. Later on, after the climactic battle, as Kousuke was entranced by Lana, he went on to ask her out repeatedly.
After countless attempts, Lana gave him the condition of clearing a Great Labyrinth and landing one hit on their boss, a.k.a. Hajime, before she would consider going out with him. Kousuke managed to achieve both of them, and Hajime has since had respect for him. After the students return back to Japan, Kousuke becomes the only member of the Returnee's group who stays active and does various tasks for and with Hajime in order to protect and manage the safety of everyone close to them. Because of Lana's nature of wanting to gather 7 wives for Kousuke, and the fact that the "Abyss Lord" powers of Kousuke turned him into a chūni, Hajime started to have a really close relationship with Kousuke and even considering him as a 'bosom friend'. Hajime also starts to egg Lana on her quest for a harem for Kousuke. This has resulted in many complicated situations for Kousuke, as result.
Riiman is considered to be Hajime's first male friend since he was summoned to Tortus. The two of them instantly bonded when they first met at the aquarium where Riiman was being held.
The former Knight Commander of the Heiligh Kingdom that was entrusted with the responsible for overseeing the training of the summoned heroes from the other world. While Hajime wasn't as close to Meld as the frontliners of his class, he always respected the captain, even after his transformation. This make Meld one of the few adults in Tortus who Hajime truly respects and still still speaks highly him to this day. Hajime was willing to use one of his Ambrosia to save Meld's life when he came to rescue him and the hero party at the Orcus dungeon, admitting he didn't want him to die. Meld on his part was grateful that Hajime saved him and the others, happy he survived and regretful he (Meld) failed to save him before. Hajime becomes saddened to learned that Meld was killed as he granted him permanent peace by destroying his corpse that Eri was controlling with her necromancy. Hajime later visited Meld's grave to leave a flower a token of remembrance and honor him.
The Fleur Knights are Hajime's female students and combat maids. Hajime assigned them to protect Princess Liliana S. B. Heiligh with their lives. The Fleur Knights are absolutely loyal to Hajime and will execute mission he assigned without hesitations.
Hajime has a neutral standing about Kouki and ignores the fact that Kouki envies him. He only has a bit of good intent to Kouki because he is a close friend of Kaori and Shizuku. However, Hajime mostly considers Kouki to be a huge pain to deal with because of Kouki's bad habit of only believing what fits his worldview and annoying sense of justice even after he was mutated. He even preferred not to explain to Kouki about Ehit's true nature because he knows Kouki will never want to believe him given Kouki's delusional idealism and pride as Ehit's so called chosen hero of Tortus.
As a former member of the "Hero Party", who had learned of Ehit's true nature as well as having became powerful enough to survived on his own in Tortus, Hajime refuses to take orders from Kouki as he was deeply annoyed by Kouki's self righteous naive beliefs and his delusional pride of being Ehit's hero which makes Kouki thinks he have the right to enforced his misguided justice upon Hajime and his friends (harem). When Hajime's lovers are greatly annoyed and disgusted by Kouki's insolence, Kouki self righteously challenged Hajime into an unarmed duel only for Kouki to be defeated and humiliated by Hajime when he tossed him into a pitfall filled with non-lethal bombs.
Hajime viewed Kouki as a masochist hero and emotional weakling who can never defeat Hajime due to his lack of resolves and continually his naive beliefs which only for Kouki ended up losing to Hajime in both strength and willpower.
After Hajime murdered Daisuke, and Aiko exposed Ehit's evil nature and his schemes to his classmates, Kouki stubbornly attempted to blame Hajime for Fried's invasion and Eri's betrayal by not warning them earlier about Ehit, which Hajime scolded Kouki for his delusional justice and idealism, such as naively expecting classmates's natural obligation to help and protect each other which is the weakness that allowed the intelligent, Eri and the treacherous idiot, Hiyama to betray him without even noticing. Hajime coldly criticized Kouki's lack of conviction when he berated Hajime for refusing to use his new found powers of Ancient Magic for "justice" as that is not what Hajime wanted as what he desired is to use the power of "Age of Gods" magic to return to Japan.
Hajime threaten to kill Kouki but he gave him chances to join him in clearing the remaining Liberators's Labyrinth and gain Age of God's Magic due to Suzu, Shizuku and Ryutaro's begging but keep his warning If Kouki continued to test his patience past his breaking point he will kill him just like he did with Hiyama.
Even though Hajime saved him and the rest of his classmates twice, Kouki still couldn't accept Hajime's choices to abandon the people of Tortus to their own fate under Ehit's tyranny because it contradicts his own ideals.
Hajime also warned Kouki in the Heiligh Kingdom and again in Hoelscher Empire to stop enforcing his misguided justice upon him by clearly stating that they are neither friends nor comrades and certainly do not believe in the same ideology and he is not oblige to do things the way Kouki wanted like Shizuku and Ryuutaro had.
When in the Frost Caverns of Schnee, Kouki gets corrupted by his doppelganger decided to try to kill Hajime and take his harem. Hajime finally lost his patience with Kouki's delusions, brutally retaliate by shooting both of Kouki's kneecaps and thrashed him. He initially would kill Kouki but chose to spare his life for Shizuku and Kaori by separating and kill his doppelganger and punched Kouki unconscious.
Later in After Story, Kouki becomes friends with Hajime, though the latter refuses to say the same.
Hajime wasn't on good terms with most of his classmates due to him being an Otaku. The only classmates who were friends with him were Kaori (who had a crush since she first saw him) and Shizuku (being Kaori best friend). Unfortunately, Kaori liking him caused most of the guys in the class to be jealous of Hajime and some of them bullied him at some point, mainly Daisuke Hiyama and his friends.
After they were summoned to Tortus, Hajime ended up having the lowest stats among them, causing almost everyone of them to call him incompetent. During the class training exercise in the Orcus dungeon, Hajime was the one who saved everyone by holding back the Behemoth long enough for them to get back, earning most of his classmates respect. Unfortunately, Hajime ended up falling into the abyss when he tried to retreat due to Daisuke's attack, which devastated most of them. It was seeing what happen to Hajime that caused most of them to become too scared to fight anymore.
However, Hajime survived the fall and decided to focus on his own goal and no longer cared about his classmates except for Kaori and Shizuku whom he only cared. When he reunited with them, he made a point to tell them they weren't his comrades and he would kill them if any of them dares to go against him for whatever reasons, even holding Kouki at gun point to prove his point. His transformation shocked all them to the point where they had difficulty recognizing him at first and became terrified of him as well, especially those who bullied him in the past.
After given his warning to his classmates, they've taken this warning seriously as if they don't want to die at Hajime hands. They became even more terrified of Hajime's wrath after witnessing how brutal he murdered Hiyama, understanding what would happen to them if they dare to cross him like Daisuke did from his previous warning but gave them second chances thanks to Suzu Taniguchi, Ryutarou Sakagami and Shizuku Yaegashi but kept his warning as he won't be their forgiving if they cross him, he will kill them just like he did to Hiyama. When Hajime opened to enhance weapons and armors with new abilities, his classmates rushed over to hand their armors and weapons to be enhance but once failed to enhance Suzu's bracelets as they were destroyed until Hajime gives Suzu one of his masterpiece a pair of twin iron fans as a gift.
He allowed few of his classmates to train them as he did to the Haulia Tribe when he gotten touched by Ryutarou Sakagami's momentum and gives Hajime his respects by considered Hajime as a pupil of Ryutarou's idol "Gunnery Sgt. Hartman" and considered him as a friend. Despite saying he doesn't care about them, he still found himself saving them when their paths crossed, which they were grateful for. Hajime was also willing to bring his classmates back to Japan when finishing clearing the Labyrinths and destroyed the god, Ehit. After returning to Japan, his classmates appreciated Hajime and given him nicknames such as the "God Slayer" and "Demon King" but combined these two nicknames into one nickname as the "God Slaying Demon King".
In the After Story, Hajime's relationship with his classmates has improved greatly, thus they know better than to get on his nerves. All of them respect him for everything he has done for them and consider Hajime their leader, calling him the Demon King in a friendly manner. However, because they can only see Hajime as the God Slaying Demon King they knew from Tortus, they find the sight of him going to school normally and using polite language towards the teachers as so unfitting they can barely keep themselves from laughing, no matter how many times they see it.
Saitou and Nakano were once Hajime's bullies from the past. But when Hajime survived and obtain monstrous strength, they were terrified of him. After Hajime killed Hiyama and Kondou, they redeemed themselves and apologized to Hajime as they swore they will never get in his way or harming his comrades (harem) that includes Kaori. After Ehit's death and returning to Japan, Saitou and Nakano shown respects for Hajime only to find them annoying.
Koutaro has been in contact with Hajime for over a year as a member of the "Returnee Response Division", which is impressive by most standards since his predecessors could not even handle his job for three months. He is extremely scared of Hajime and always takes stomach medication at even the slightest gesture that is made by the demon king. Hajime feels bad that he has inadvertently caused Koutaro to feel so much stress, but views him as a highly competent public servant.
A rabbit that saw Hajime's battle in the Great Orcus Labyrinth. Gained true sentience after imbibing water from the God Crystal. Eventually they met, and Inaba became one of Hajime's allies.