Hajime Nagumo/Relationships

Yue
Yue became Hajime's most important person after he fell into the Abyss. The two quickly grew close due to their similar backgrounds and similar circumstances. Even in public, they tend to go into their own "pink world" and ignore everything in their surroundings. Whenever there is danger Hajime and Yue always prioritize each other's safety. 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. 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. It is Hajime's wish to bring Yue and the other girls back to his world.

Kaori Shirasaki
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.

Shea Haulia
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 when Hajime realized that Shea is just as important and irreplaceable to him as Yue and has begun to show his previously hidden feelings for her. Without realizing it the two have created their own "pink world" while they are alone.

Tio Klarus
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. 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. 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.

Shizuku Yaegashi
Hajime cannot handle Shizuku for she knows his secrets such as middle school stuff. After the trials in the true Haltina woods, Shizuku couldn't stop thinking about Hajime. Shizuku later admits to him that she has feelings for him.

Aiko Hatayama
His homeroom teacher who was transported to Tortus along with her students. She has fallen in love with him after he saved her from Noint

Liliana S. B. Heiligh
The Crown Princess of the Kingdom of Heiligh. She would fall for Hajime after he saved her from being raped by her former fiance Crown Prince Baius.

Myu
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 travelled 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.

Remia
Myu's Mother she is one of Hajime's Wives

Cam Haulia
He is loyal to Hajime

Lundel S. B. Heiligh
Liliana's younger brother and the Crown Prince of the Kingdom of Heiligh.

Tomoichi Shirasaki
Kaori's father.

Kaoruko Shirasaki
Kaori's mother.

Yuka Sonobe
One of Hajime's classmates who was transported to Tortus. She develops feeling for Hajime after from a Behemoth attack during a training exercise in the Orcus dungeon

Kousuke Endou
he is one of Hajime's close friend and he considered as Hajime right Hand 'Right-Hand of Demon King'

Meld Loggins
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. Hajime was willing to uses one of his Ambrosia to save Meld's life when he came to recuse 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 before.

Kouki Amanogawa
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. Later in afterstory, Kouki become friends with Hajime, through the latter refuses to say the same.