: The guilt, jealousy, and confusion that follow the physical act.
The core appeal of the series lies in its complex emotional fallout, tracking how a single, unfaithful night breaches the boundaries of marriage, leaving the characters unable to return to their normal lives—hence the subtitle Modorenai Yoru ("The Night of No Return"). Current Status of the Anime Adaptation June 9, 2023 Animation Studio Studio Hōkiboshi / ComicFesta Source Material Manga by Eyo Kurosaki Format Short-form episodes (approx. 5–8 minutes each) Status Season 1 completed; no subsequent season officially fixed fuufu koukan modorenai yoru season fixed