Yoshino is a beautiful girl who attends a prestigious cram school. She has a warm, positive attitude and has many friends. Really, she is a very likeable person. Unfortunately for Yoshino, the boy she adores is already in a relationship with her best friend, and she does not have the courage to steal him away. However, the depressed Yoshino finds salvation from the dubious teacher Sakuma, who offers her something more pleasurable than a normal relationship... [Written by MAL Rewrite]