"Wait... could this man be...!!!" Chisato was stunned. Frustrated by a sexless marriage, she had applied to appear in an adult video, the kind she usually used for masturbation. She had been determined to feel ultimate pleasure today, but that feeling vanished the moment the actor standing behind her was revealed to be her son, Ryohei. Overwhelmed by awkwardness and shame, neither could speak up on the spot. As they began to have sex in confusion, whether it was a miracle of DNA or a prank by God, it felt so good that before they knew it, they were desperately craving each other. "Why the hell are you working as an AV actor?" "Don't give me that, Mom!" After the act, they secretly insulted each other while showering, but Chisato's pussy was soaking wet and Ryohei's cock was rock hard...