The Day I Was Made To Do It With Another Man, Shiori Tsukada, A Serious Wife.

Marital life in shambles! Ah, wife, let another man hold you! The husband has become ED. One day, he steels his resolve and begs his wife Shiori, 'Could you let another man hold you...?' Reluctantly, but thinking it's for his sake, Shiori goes along with her husband's wish and lets another man hold her. Her mind denies it, but her restless body ignites. The husband, peeping at the scene, tells her of an excitement he's never felt before and rejoices, but then...