Mafuyu Kirisu

Age: 20+
Birthday: December 28

Mafuyu Kirisu is a Student Counselor at Yuiga's school and one of Rizu and Fumino's ex-tutors.

She is considered to be a beautiful person, often admired by male colleagues and students alike. However, due to her cold and frank personality, she is often seen as unsociable among her colleagues and overly strict with her students.

In "The Queen of Thin Ice" route, She and Nariyuki Yuiga are married.
(Source: We Never Learn Wiki)