Koi wa Ranhanshasuru: 0 or 0 Koi ga Hajimaru
恋は乱反射する。 0 or 0 恋がはじまる
A cold beauty named Yuki is a member of the university calligraphy club, always taken advantage of by the other members who push all the tasks onto him. He harbors a secret love for a playboy in the same year, who seems to have no interest in serious relationships.
Due to jealousy and other circumstances, the playboy forces Yuki into a sexual relationship. This escalates into a breakdown for Yuki, and they decide to return to being just friends instead of sex-friends. The story follows their awkwardness and the courage it takes to show true feelings.