Watatsumi Mizuho

An active physical education student who aspires to become a physical education teacher.

A part-time instructor who is a colleague of the main character. She knew the protagonist when he was an athlete in the national athletic meet, and admired him, albeit slightly.

However, when they started working together, she became disillusioned with his two-sided personality, and they began to complain to each other about this and that.

She has a very bossy personality, and she is not unmannerly in her talk, even to the older protagonist.