When it comes to sex, this innocent girl without makeup turns into a total slut! Kotone is in love with Suzuki, a classmate from college. However, Suzuki finds Kotone, who looks serious but has a slutty nature, amusing and enjoys playing dirty games with her. In order to get a raise in his hourly wage, he offers Kotone to his senior colleagues at her part-time job and the manager, and uses her as a sex toy himself... Kotone shows off her slutty sex, full of dirty talk, while having sex with dirty old men!