When Kyouka gets caught whoring her body at school, class president Leona blackmails her into working for her family's gentlemens club, that specializes in prostitution! When Kyouka starts stealing the show with her insatiable slutty nature, Leona starts to get jealous of her stealing the spotlight, going so far as to challenge her to see who can satisfy the most men!
Kyouka continues her new job. When all the girls except Kyouka come down with a cold, she asks her friend Karin to help her with a special cute client. Then, when Kyouka's older brother gets invited to the mansion for his birthday party, the other girls seem a bit too excited and eager to take his virginity!