Kotetsu Tatejima

_Height:_ 154 cm

_Favorite food:_ Sweets

_Favorite color:_ Pink and brown

_Favorite things:_ Piano, tea time

Kotetsu Tatejima is Kohane's classmate. She is shy and constantly recedes from any risk of drawing attention, but is very frank about what she thinks. She doesn't think very highly of her given name.