Haruka Kusakabe

Haruka Kusakabe (草壁 ハルカ Kusakabe Haruka) is one of Yuu Tomonoga's student and Aoi Hirose's best friend who soon falls in love with Yuu.

History
Haruka was being constantly sexually assaulted by her former teacher of the same subject that Yuu has taken up on currently as she was a former model and used to appear in girls magazines. She then records her former teachers actions on her and publishes it and makes him leave the college.

Plot
Haruka at starting misunderstands Yuu's as the same as her former teacher and keeps making him fall for traps everyday while he enters class. Later, she understands him better and falls in love with him. When she learns that he is going to leave to America in some months she kisses him and confesses her love to him the next day, only to be rejected.