Mafuyu is a second-year student at Miyamasuzaka Girls Academy. She is the lyricist of the underground music circle 25-ji, Nightcord de. going by the alias "Yuki"
Mafuyu is kind, generous, and considerate girl but she is Emotionless, blunt, cold, short-worded, monotone. 
And However Mafuyu is extremely depressed.
Her hobbies are Aquarium, Born in January 27
in reality, Mafuyu lost her identity and ability to feel a long time ago. 
She's very good at speaking English
She loves her Mom's home cook