4.302 out of 5 from 244 votes
Nana and Kaoru are now seniors in high school, still enjoying every minute of their secretive S&M sessions together to blow off steam. The fun continues for the pair when the two are invited to a special trip with adult toy shop owner Mitsuko and her 'master' – a man who just happens to be Shuutarou Sarashina, Kaoru's idol! What will Nana and Kaoru learn while under the tutelage of Sarashina-sensei and his lovely submissive?
Hideo Aiba is anything but popular. Not only is he a high school virgin, he's also a part of the "Roman Club" – a group of guys with bizarre fetishes. But Hideo's unusual school life is changed forever when the mysterious Kurumi transfers into his class, joining the Roman Cub soon thereafter. Together, the two begin a strained and pleasurable relationship where Kurumi controls Hideo's very desires... and actions.