Aiko Hatayama/Relationships

Hajime Nagumo
At first, she regarded Hajime as one of the students she had to take care of and, like Kaori, respected Hajime for his immense kindness. After his apparent death, Aiko was so shocked that she passed out, feeling great remorse and responsibility for him, and doing everything she can to protect her surviving students, even using herself as Leverage. When they reunited in the town of Lake Ur, Aiko was extremely relieved to know that Hajime had survived, but was dismayed while he was accompanied by two beautiful women Yue and Shea who claimed to be lovers of Hajime, mistaking the fact that Hajime was too busy with womanizing to return. Aiko was shocked by Hajime's new cold, ruthless and unforgiving personality such as his complete refusal to aid the kingdom of Heiligh for the sake of his classmates and his teacher and also threatened to kill Chase for attempting to steal his gun. Aiko was deeply saddened that Hajime had completely changed from his old self, but was relieved that he had new friends that he could count on. Hajime had always respected Aiko for her dedication to her students as a teacher, and had therefore chosen to tell Aiko the real reason for his refusal to join them by telling her what he had learned from Oscar Orcus about Ehit's true nature and how he had summoned all of them to Tortus as pawns in his mad death game knowing that being one of her students himself Aiko will certainly believe Hajime despite being slightly skeptical and distrustful at first. Later, after Hajime had killed Shimizu, knowing what he has done for her, she became aware of him as a member of the opposite sex. Aiko is extremely worried when Ishtar and Eliheid SB Heiligh called Hajime heretic for his absolute refusal to obey them, so Aiko desperately tried to convince them to change their mind, but to no avail. Fearing that Kouki and her other students might start attacking Hajime at the instigation of the Holy Church and the Kingdom of Heiligh, Aiko decides to warn her students of the true nature of Ehit, by asking Shizuku to gather them all together to dinner time so she can tell them what she has learned from Hajime, but was kidnapped by Noint before she could do it. She later accepts that she loves him, although she is still troubled by 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 from high school and their age difference is pretty pointless considering how much older Yue and Tio are   in comparison.

Kaori Shirasaki
As one of her students, Aiko also dearly care for Kaori, and was close enough to exchange communication letters with each other while in Tortus. Aiko is also aware of Kaori's love for Hajime, which drives her determination to find him in the Orcus Dungeon and was shocked to learn that Kaori had been the reason why Hiyama had tried to kill Hajime in the first place and how Kaori would be in danger in being the target of Hiyama's crazed lust. Despite wishing it was just a misunderstanding, Aiko's fears were later proven when Hiyama actually killed Kaori to make her his undead slave, showing great concern for Kaori, thus Aiko did not blame Hajime for murdering Hiyama.

Yue
She is the first wife of Hajime.

Shea Haulia
She is one of Hajime's wives.

Shizuku Yaegashi
Likewise with Kaori, Aiko also shares a close friendship with Shizuku one of her students, as she is the only one Aiko would discuss her thoughts and worries with. Aiko also trusted Shizuku enough to asked her to gather her classmates in to order to reveal what Hajime learned about Ehit. Whereas Shizuku also care dearly about Aiko but was dismayed to learn she had fallen for Hajime as well.

Myu
She is Hajime's adopted daughter.

David Zahler
He is a Templar knight of the Holy Church and is in charge of Aiko's bodyguards while she roams the kingdom to use her powers to aid in improving its agriculture. At first, he and the other knights attempt to seduce her in order to make her more loyal to the Church, but they are moved by her kindness and have started being loyal and submissive to her. After learning that Aiko is partially responsible for destroying the Church's Divine Temple and killing Pope Ishtar Langbard, David and Aiko's other guards forgive her due to all they had learned from following her. He is now a devoted follower of Aiko and the new religion that is based off her new title as the "Fertility Goddess".

Yuka Sonobe
One of Aiko's students.

Taichi Furukawa
Aiko's childhood friend. The two had a brother-sister relationship, but Taichi begins to develop feelings for her and finally confesses his love for her after she returns to Earth. Aiko could not respond to his feelings since she has chosen to be with Hajime. That puts a strain on their relationship, but Aiko is convinced that they will be friends again someday.

Other Students
Having resolved to be like her former teacher, Aiko cares immensely about the safety of her students to the point that she was willing to threaten the King and the Pope after they tried to force her students to continue training after Hajime fell into the Abyss. Despite Shimizu and Hiyama's respective atrocities, Aiko had still wished they could live to make amend for their actions. Aiko's devotion to her students along with her childlike cuteness makes her extremely popular with her students, nearly on pair with Kouki, Kaori and Shizuku's popularity. When Aiko was mysteriously abducted by Noint and imprisoned in highest floor of the Holy Church in the Divine Mountain, Shizuku, Yuka and her closest friends desparately searched for her non-stop and was prepared to personally climbed the Divine Mountain to find her if they had to showing how much they reciprocate her devotion. However, not all of Aiko's students reciporate her care as Shimizu even when on verge of death had felt absolutely no remorse for trying to kill Aiko, Eri and Hiyama even exploited Aiko's abduction by Noint as a great chance to realize their nefarious plans to kill their fellow classmates in a death trap and to murder and zombify Kouki and Kaori into their respective undead slaves. As Hajime expected, Aiko was able to convince all of his classmates of Ehit's true nature even Kouki despite his misguided sense of justice was forced to believed Aiko's words after Eri had exposed her true twisted evil nature and her schemes of betrayal including the fact that Aiko was in reality abducted by Noint.

Ehit
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Noint (formerly)
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Yukitoshi Shimizu
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Daisuke Hiyama
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Eri Nakamura
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Demons (Hell)
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