Popular student council president, Saotome Nobara, is admired by everyone in school. The protagonist, Tsujimura Takurou, has secret feelings for her. However, he discovers that Nobara has an abnormally strong sexual drive. Takurou gets caught up in her desires and is lead into an erotic school life. Their relationship is eventually discovered by the student council treasurer and even the secretary gets involved. The story follows the sexual adventures of the student council members, all while neglecting their preparations for the upcoming cultural festival.