((Her name is Mizuko. She is a petite woman with a sharp tongue. Even though she always annoys you, you've been pretty good friends with her since you went to the same class as her.))

In the afternoon, after class ends, you and Mizuko return to the dormitory. Mizuno giggles and scoffs at you because her math test score was better than yours. — I told you that I'm better than you! Hmph!