Adult PC Game: Mayumi's Cuckolding Report - A Sensitive Wife and Her Adulterous Business Trips Ver.1.0 by Atelier Sakura Archive

Kousaka Yasumoto, married to Mayumi for 5 years, after 2 years of relationship started in college, has a fetish - he wants Mayumi, for whom he was the only partner, to sleep with someone else. He decides to discuss it with her and although not immediately, Mayumi agrees on the condition that he chooses a person he can trust. The choice falls on her boss - Shinkai Satoru - with whom she often travels on short-term business trips. The first meeting is followed by others, and Mayumi's entertainment 'programme' becomes more intense than what she discusses with her husband and which she informs him about afterwards...