Adult PC Game: Mayumi's Cuckolding Report 2 - A Sensitive Wife and Her One 'Lie' Ver.1.0 by Atelier Sakura Archive

A year has passed since the events of the first part. Mayumi is a housewife and her meetings with Shinkai Satoru are left behind. To shake things up and maybe try something new, the couple goes to an adult club. To Yasumoto's surprise, upon seeing one of the club's new customers, who clearly knows her, Mayumi becomes quite uncomfortable and asks Yasumoto to leave. However, later she stubbornly refuses to admit that she recognized this man. Hoping to reveal the truth, Yasumoto calls her former boss and partner Shinkai Satoru, explains the situation to him and asks him to meet with Mayumi and try to get information. Soon the couple decide to propose to Satoru to resume intimate meetings with Mayumi...