Synopsis
In Episode 1, Hara Sayuri is a university student living on her own in a budget-friendly apartment. To cover her rent, she takes on various part-time gigs. One day, while cleaning the high windows of a building, she happens to be washing the windows of her older brother’s office. When she calls out to him, she notices he has an erection. In response, Sayuri strips off her clothes and begins posing seductively. Episode 2 introduces Kagurazaka Fumina, a cosplay enthusiast who works part-time for a maid service. She has been serving her new master since morning, handling chores like cooking, laundry, and cleaning. While tidying up, the master suddenly assaults her from behind. Despite her attempts to resist, she becomes aroused by his massage of her large breasts, leading to further intimate contact from behind. In Episode 3, Oshikiri Momoka works as a home tutor after graduating from university. During a session with a cute boy, she falls asleep. Her vulnerability arouses his sexual desires. Upon waking and realizing the situation, Momoka slowly undresses, and a lesson on adulthood begins.