"Fuufu Koukan: Modorenai Yoru" originated from a manga by , published by Suiseisha . The anime adaptation was produced by Studio Houkiboshi and Suiseisha . The series premiered on July 2, 2023 , and concluded on September 2, 2023 , running for 8 episodes , each lasting approximately 6 minutes . It is an ONA (Original Net Animation) , originally distributed via web streaming.
: As the title suggests, this is a "night of no return". The psychological and physical shift alters their relationships permanently, trading marital innocence for forbidden desires. Core Character Breakdown fuufu koukan modorenai yoru married couple s verified