Mafuyu discovered an unconcious Sasha along with Tomo while on their way to class on morning. She is generally cheerful and upbeat despite being constantly bullied by her classmates, although can be harsh towards people she doesn't get along with, such as Sasha.
- She practices kendo, at took up responsibilty of taking care of Tomo when their guardian who was the previous school dean went missing,
- She is targeted early on in the story by many of the adepts who believe she knows the location of the legendary icon they seek, but is always saved by Sasha and the others.
- She has a very close bond with Tomo, and Tomo even compares her to a 'prince'. Her relationship with Sasha seems to be developing as of recent episodes.