Fuuki Iin to Fuuzoku Katsudou

This is an anime adaptation of the manga of Nodame.

Shinji was recently transferred to a new school. However, when he arrives at the facility, he discovers that he is the only boy, which causes him a lot of trouble to make friends. One day, Hana, a classmate, wants to become friends with him. However, the latter is only interested in Shinji since it is part of a group aimed at maintaining the “public moral” through sexual activities.