Dokusen Yoku Tsuyome no Ookami-kun wa Doukyo Dake ja Sumasete Kurenai

Rinri is a serious girl who is devoted to her studies, and the new resident at her house is Zen Hiiragi, a famous and popular boy at school!　Rinri is not very good with boys, but she finds herself living together with Zen, who is always trying to play a trick on her...?