Boku no Kanojo ga Majime Sugiru Shojo Bitch na Ken

Boku no Kanojo ga Majime Sugiru Shojo Bitch na Ken (僕の彼女がマジメ過ぎる処女ビッチな件, lit. "My Girlfriend is Shobitch") is a manga written and illustrated by MATSUMOTO Namiru. It began serialization online on Niconico Seiga in July 2015. An anime television series adaptation by Diomedéa and Studio Blanc premiered on October 11, 2017.

Plot
After Shinozaki Haruka confesses to the Class Rep, Kousaka Akiho, he comes to find that the perfect class representative might be a little bit harder to handle than he previously thought!