Ai Suru Tsuma, Mariko no Furin Houkoku ~Otto Kounin no Gachi Furin Sex~ The Motion Anime

You are presented with an animated manga "Ai Suru Tsuma, Mariko no Furin Houkoku ~Otto Kounin no Gachi Furin Sex~" from the studio WorldPG based on the same-titled game from the studio Atelier Sakura in 2018. The main characters Sashihara Yasushi and Sashihara Mariko have been married for five years. They live in harmony and love each other. However, soon it is revealed that Mariko had an affair in her youth, and this is against the background that the quality of sex has noticeably declined. Of course, Yasushi began to wonder if his dear wife was so faithful to him. He hires a private detective and after a few days receives a detailed investigation. It turned out that Mariko has been cheating on him for a long time with a young guy who is eight years younger than her. Soon after Yasushi learned her secret, Mariko stated that she decided to become a sex partner of this young gentleman and at that she does not intend to let him go either. An absurd unbearable demand, which, however, only aroused unprecedented desires in the cuckold...