DASS-650 | Common sense changed NTR: A world where it is normal for wives to be cuckolded. Mary Tachibana

One day, Saito, who lives alone, receives a mysterious "What if" phone call. The contents of the conversation on the phone become common knowledge. Saito calls the Tachibana family who live next door and suddenly says that he wants to cuckold their wife, Mary. To his surprise, he gets approval from the husband who answers the phone! While enjoying a new sensation of high-stakes, he repeatedly has creampie sex with Mary, who is a perfect match for him, but... the shocking ending that turns the world upside down brings him to a great immoral climax!