春日谷 沙織

A teacher at the school the protagonist and Asuna attend.

She has known Asuna since she was a child, so she thinks of her as a younger sister.

Former delinquent.

She had a rough school days, and after graduation she was a part-time worker for a while, but then she made up her mind to go to university and become a teacher.

She went to university later than her classmates, so she doesn't have many years as a teacher.