BKD-311 — Mother-C** Mating [Joshu Tsukiyonoji] Kissho Saya

Shinichi is a businessman in his 40s with a wife and c**, but he is aware of his mother as a member of the opposite sex. One day, when his family is not around, he confesses his feelings to his mother and tries to dominate her. Saya refuses at first, but after being asked again and again, she says, "Just once..." and the two of them go on a trip together, without telling the family. It's just a promise for today... to help her son, she tells herself, but her body is craving a man. She intended to do it just once, but she becomes addicted to pleasure and they end up doing it again and again...