Saeki always had a passion of nonke virgins - straight men who have never had gay sex. When Saeki is given an assignment to go undercover as a teacher at an all boys school, he is thrilled at the chance of seducing an unlimited amount of nonke. His plan - however - goes awry when he is seduced by Kei, who not only isn't a nonke, but is also the object of Saeki's undercover investigation. To make matters worse, Kei discovers Saeki's true identity and threatens to expose him unless he agrees to date Kei. Having little choice but to agree to the terms, Saeki is frustrated with the inability to seduce nonke virgins. However, he quickly realizes his attraction to Kei is growing...