| This article contains a non-canon exception about this character's gender.|
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Hange is usually seen wearing a red track suit with a white tag on the front that has "Hange" on it, a white lab coat, and a pair of oval shaped glasses. She has light brown eyes and brown hair that is thrown up in a messy pony tail and is always paired with a non-fading grin.
Hange is very enthusiastic and fixated on studying Titans; namely Sawney and Beane, the Titans that she caught and tied up. While Hange is a very smart individual, the Titan experiments take up all the money and allowance that comes her way.
Hange views the first-year entrance ceremony from inside a classroom.
While Eren and his classmates find themselves in the Scout Regiment, Hange shows up with Titan nail clippings found in the trash earlier. After being introduced, Hange provides a way to call Levi to Eren by handing him a plastic bottle and ordering him to throw it in the trash of biodegradables.
During the tests results day, Hange eagerly anticipates her results. She later cheerfully approaches Levi with her test score and pleads to him for a treat in exchange. But as he shows her his score being two points higher, Hange dramatically changes into a poverty-stricken individual tricking Levi into pitying her. As he coldly ignores her plea, Hange comes to an idea of defaming his name in front of the first-years. A crazed Hange tries to leech off her underclassmen, but gets restrained.
When Eren asks about her poverty state, she starts by leading them to the biology club and subsequently, the introduction of her secretly kept captives, the Titans, Sawney, and Beane. Hange explains the expenses of their food causes her to go broke. Upon knowing the reason behind her neediness, Levi offers her a bag of dog food for the Titans. Hange points out his cold persona and eats the dog food instead.
Hange snatches the last yakisoba bread and flees while she is chased by Levi, who wants his money back for the bread. Later, when the first years talk back at Levi, he decides on teaching them a lesson, and Hange suggests they compete on the school's Sports Day games. She participants in the first game, the bun-eating race, and wins by using her Titan, Sawney, which lunges at the buns.
At the end of the game, Hange appears flying in a platform attached to a bunch of balloons, with her two captured Titans holding a giant confetti ball. Frantically asking Levi from above if she can use it, she stumbles and falls down while holding the wire, releasing a sea of confetti on the playfield. Hange is later seen running from Levi while apologizing to him for the confetti mess.
Hange speaks to the first years of the Scout Regiment about doing the test of courage because of them previously "picking a fight" with their upperclassmen the day before, and assigns them to two groups. The test is later revealed to be a prank.
Hange follows her Titan, Sawney, in the forest and tells it not to wander around. After Levi finds a notebook on the ground, Hange has Sawney deliver it back to its owner. During the election for a new student council president, Hange mentions the notebook to the candidates, saying she heard it has everything about the school written on it, believing it could help whoever has it to win the election.
In the Biology Club, Hange has her two captured Titans in the room and begins her experiment by repeatedly tickling them all over, and Sawney tries to bite her as she comes closer to it. Laughing at the face Beane is making, she tells Moblit to sketch its face.
Following the Titans stealing all of the festival food stands, Hange attends a meeting at the Scouts club room. When a group of first years venture into the principal's office and is surrounded by Titans, a disguised Hange, along with Levi and Miche forming a band start playing on a stage, attracting the Titans' attention.
- Levi - Hange enjoys sharing Titan data or knowledge with Levi, who explicitly shows that he is not interested. Regardless of his attitude towards these interests, Hange likes poking fun at him and getting a reaction, but Levi ends up besting his companion more often than not.
- Moblit - Hange does not heed to any of Moblit's warnings regarding her reckless behavior when around her captive Titans. As her assistant and underclassman, Hange mostly tasks Moblit with errands.