ボクの家がクラスの不良娘に入り浸られている件。

Yoh Ueno gets more than he bargained for when Kisaragi, the class delinquent, starts hanging out at his apartment because of a shared love for video games. Things start heating up when the two begin "punishing" each other for losing, and the "punishments" quickly take a sexual turn... (Source: Irodori Comics)