Mafuyu is the adopted daughter of St. Mihailov's last dean, and the self-appointed protector of Tomo Yamanobe. Upbeat and cheerful, she is so proficient in kendo that she carries a wooden sword with her all the time. She has to endure hardship on a daily basis in form of her classmates picking harshly on her and especially Tomo. This changes when she encounters Sasha for the first time, where she starts living with him and, little by little, is pitted herself in the fights between Qwasers. Though at odds with Sasha's coldness, Mafuyu has started to open up to him and the two have formed a stronger bond.

When Mafuyu Oribe and her adopted sister Tomo rescue a strange wounded man, they have no idea what they're getting involved with or what the consequences will be. Alexander Nikolaevith Hell is an Iron Qwaser, one of many opposing factions of super-warriors who can each draw upon the power of an element and wield it as an almost unstoppable array of weapons. And unfortunately for Mafuyu, Alexander's faction is there to gather the mystical relics known collectively as the High Circuit, which puts her friends, family and school at ground zero in a battle for the fate of all mankind! But there's an even more disturbing twist, as Qwasers require a special liquid diet to manifest their powers, one provided by the women who serve as a Qwaser's partner. And THAT means that the nursing Mafuyu's already given Alexander isn't the only kind of nursing he needs! 
(Source: Sentai Filmworks)

Date of Birth: August 14, 1992.

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Desireé González Rodríguez is a Mexican voice actress.

Sasha is partnered with Hana as his new Maria. They infiltrate an all-girls academy, forcing Sasha to crossdress, in search of a Qwaser-related artifact called the Magdalena of Thunder which has appeared in one of the students. However, they have some competition in their search of it.
 
(Source: Anime News Network)

Based on Ekaterina Kurae's chapter 16 from the manga, and episode 10.5 of the anime.

The St. Mikhailov Academy student Oribe Mafuyu comes across a mysterious silver haired boy. He is called a Qwsaer, a being that draws power from Soma and is able to manipulate a specific element. And now, in the 21st century, the mystery revolving around an Icon turns the academy into the battlegrounds for the fight between the Qwaser!
