The series follows the erotic adventures of two high school students, Yuka Yoshii and Takashi Kinoshita. Yuka is the top student and most attractive girl in school, while Takashi is a budding pervert who shares Yuka’s lustful desires. In Episode 1, Yuka catches Takashi pleasuring himself with her underwear, and decides to take advantage of the situation by indulging in her wildest sexual fantasies. Despite their different backgrounds, The two realize that they have exactly what each other desires when it comes to their venting their exploding libido.
In Episode 2, the focus shifts to Kizuno, the student council president who is known for her strict enforcement of school rules. However, the Anime Club discovers Kizuno’s secret love of cosplay and uses it as leverage to continue their activities. As part of their arrangement, the club members embark on a sexual journey of training Kizuno to succumb to their fetishes and desires, turning the the strict the student council president into a total pervert who can’t live without segs!.