18-year-old Riko Adachi, fresh out of high school. Nearly a virgin with a pure heart, her petite body is soft and plump, embodying all the traditional virtues of a Japanese woman. Her innocence, shyness, and sulky expressions perfectly capture the essence of Japanese femininity. In her debut work, overwhelmed by nervousness to the point of barely remembering anything, she undergoes intense experiences—perverted blindfold play, sudden cum swallowing—eliciting unconscious, extreme reactions. This title highlights her charm: an unexpected lustful side hidden beneath her pure exterior.