انیمه Only My Oppai Soul

Starting from liking someone to a girl at the Volleyball Club, ask the help of a classmate who one club with her to be introduced. But, the business became deviated and framed by a Senior in the Volleyball Club. Now Takahashi has to be a manager at the Volleyball Club and as a satisfaction of the girls' desire there, especially the Senior In the Volleyball Club that trapped him.

(Source: Nekopoi, translated)