Fufu Kokan: Modorenai Yoru

Reiji and his wife join friends on a retreat to a traditional Japanese inn, hoping to conceive a child. However, their plans are upended when Reiji is seduced by his friend's wife, while his wife embarks on a passionate affair with their mutual friend. Amid forbidden desires and the thrill of crossing boundaries, the four descend further into temptation. As they yield to their carnal passions, can they ever reclaim the innocence of their marriages?