Amai Himitsu, Amai Shigeki

Tomomi lives with Ryuichiro, the brilliant president of the student council, with the approval of her parents. Fujiki is a member of the student council who has come to know that they are living together. So when Ryuichiro is admitted into a college on the recommendation of their high school, Fujiki takes advantage of getting wind of their secret by making sexual demands on Tomomi!