Mitsuo and Suzuka have been married for 23 years and are still good friends. Even though my son Yuji has grown up, we still take a bath together every day. Then, in the bath, Mitsuo, who has a strong sexual desire, sucks Suzuka's nipples while being horny, and his mother becomes just a female in the bath, forgetting to suppress her voice and sucking on Mitsuo's cock. The parents are hugging each other and mating in the small bathroom.