Fuudanjuku monogatari manga

Fuudanjuku Monogatari summary:

Nakano Fudanshi Gakuen. A school renowned for its sports program, yet only has an average school rating of 50! Within the school, there is a club on the verge of losing its official status. Called "Fudanjuku", the club's theme is, to put it simply, "anything-goes". This story is a slapstick school comedy revolving around the unique 7 members and their various troubles.