Married Couple Swap
Original Title：夫婦交歓~戻れない夜~
Languages:
- English: Married Couple Swap
- Chinese: 夫妻交欢～回不去的夜晚～
- Japanese: 夫婦交歓~戻れない夜~
"Married Couple Swap" (Fuufu Koukan: Modorenai Yoru) is a Japanese hentai web anime produced by studio HOUKIBOSHI, adapted from a manga. The story revolves around Reiji and his wife, along with their friends, a married couple, and the complicated emotional entanglements that arise during a hot springs trip. Initially planning to conceive a child during the trip, Reiji and his wife get caught up in a forbidden relationship with their friends. Reiji is seduced by his friend's wife, while his own wife has an affair with his friend. This anime is known for its daring plot and portrayal of desire within marital relationships. The anime consists of 8 episodes, each approximately 7 minutes long, and aired from June 9 to September 4, 2023. It explores themes of desire, betrayal, and the irreversible consequences within marriage, depicting the four main characters' descent into forbidden love.