Quiet and reserved beautiful girls from cultural clubs are usually the type who would never treat anyone rudely. However, they have a nature that makes it hard for them to refuse when asked for favors. As a result, they end up giving in to men's desires, and from that moment on, their demeanor completely changes. Overwhelmed by pleasure, they reveal their true selves—unlike anything seen before. This work deeply portrays their inner transformation, where feelings of taboo intertwine with erotic atmosphere.