Church Head and Orphans Edit
Mari's entire outlook on magic and her talents were shaped by the Church Sister that cared both for her and the orphans that lived with her. Whereas the rest of the world abhorred the idea of magic and active discrimination of magic-users took place with its branded civilian population, the sister inspired Mari to utilize her abilities for the good of others and Mari gained her desire to change the way the world viewed as magic. Mari was willing to work for Valhalla and do whatever was necessary if it guaranteed the children's safety.
35th Test PlatoonEdit
The platoon's captain and one of the few people that bothered to to try and get close to Mari during her inclusion in the team. Takeru's fortuitous lack of inherent hatred towards magic however made him approach Mari with relative ease and was able to establish a friendly and casual atmosphere between the two of them. Whereas Mari's initial memory-loss had her fear of what person she truly was, Takeru unwilling to give up on her and constantly pushed for her to open up. Takeru's pure intents on befriending and assuring her of her virtuous intent to change the world's fearful view of magic was the point where Mari began to fall in love with him. Mari's upfront personality made her one-sided attraction fairly visible for all to see but the platoon's usual dealings left very little time to get these feelings properly across. When Mari, Lapis, and Takeru are separated from the rest, Mari was the one who broke off from the others to try and save Takeru during the calamitous event with Kiseki when everyone was told to stay away from the siblings. Mari continued to advance her relationship with Takeru but regrettably for her. taming Lapis' was the situation's priority.
The platoon's ace-member and former Dullahan who clashed with Mari the moment they met. Ouka's abhorrent disgusts towards magic in its entirety put her against Mari's noble intent to change the world's stigma against magic. This natural divide between the two only started with their ideologies as their personalities seem to come at odds at every turn. This made the two extremely competitive towards each other and this continued even after Ouka's acceptance of using magic with noble intents. The nature of the relationship towards each other transcended their differences on their views of magic and the two held a strange level of respect toward another but both refused to admit it. Mari in particular however viewed Ouka as a romantic rival for Takeru's affections and the former's extremely close friendship with him strain Mari's general view of Ouka. The two nonetheless treat each other fairly well until Mari makes quick note of Ouka's lack of social awareness leading the two into yet another argument. Even as Mari was bleeding out from a lethal wound, she refused to back down out of sheer stubbornness in not wanting to leaving Takeru with Ouka or accept the notion that Ouka was superior to her.
The platoon's sniper who, like the others, started her relationship with Mari on a rough start. Mari's gradual change however had her grow closer to Usagi first due to Mari's own upfront personality trumping over Usagi's comparatively meek nature when around others with tougher mental fortitude than her. By Ikaruga's suggestions, Mari becomes more inclined to tease Usagi but the latter usually counters back with comments with Mari's lacking breasts.
Mari was distrustful and wary of others during her induction into the academy and she did not want to particularly get close to anyone. Ikaruga was also thought in a similar pattern and identified her as someone who wouldn't want to spent time with them either and considered her a waste of time to try and befriend. However, as Mari began to open up to Takeru, she naturally became more lenient with others. Mari and Ikaruga's relationship is mostly similar to Usagi as Mari is the frequent victim of both of their teasing with Mari's lack of bust volume.
Similar to other members of the platoon, Mari shares little to no connection with Lapis other than knowing that she is contracted to Takeru. While this didn't matter to her all that much, their time during the Magic Academy made Mari fully realize Lapis' as a rival in gaining Takeru's affection. Mari was notably irked at how she thought her time alone with Takeru would bolster her relationship with him but only managed to led Lapis get in the lead.
While uncertain enemies, Mari's stay during the Magic Academy had her befriend Kanaria to a certain extent where they were on a first-name basis with each other. They were also close enough for Mari to frequently tease Kanaria by her ears without Kanaria getting all that aggressive in retaliation.
Inia Blackmore and Ananda Nodens Edit
Two East Side students Mari befriended during the time she attended Magic Academy while Takeru was unconscious. They frequently tease her maidenly attitude where Takeru is involved.
Valhalla's disobedient officer who most likely followed orders to recruit Mari as their information broker and runner out of his own personal interest than of Valhalla's intentions. Mari despises Haunted, much like everyone else in the series, and only conspired with him to ensure the safety of children she grew up with. Mari's regular kindness seems to have unconditionally bled into her limited actions with him as she brought him food and looked after his well-being. Mari's already low opinion of him drops considerably after Haunted's reveal that he had tricked her into working for Valhalla and having a considerable amount of blood on her hands for helping him.