In Episode 1 of Nariyuki Papakatsu Girls!! The Animation, the story follows Chihiro, a high school student who is dissatisfied with her sex life with her boyfriend. She confides in her friend Eri, who reveals that she engages in compensated dating (a form of transactional relationship) and suggests that Chihiro join her to experience "real pleasure." Eri introduces Chihiro to a wealthy middle-aged man who is one of her regular clients.
The episode explores Chihiro's initial hesitation and eventual participation in the arrangement. Eri convinces Chihiro to observe her encounter with the man, and after witnessing the intensity of the experience, Chihiro decides to join in. The episode highlights the contrast between Chihiro's mundane relationship with her boyfriend and the overwhelming pleasure she experiences with the older man. By the end of the episode, Chihiro becomes deeply involved in this new lifestyle, leaving her previous relationship behind.