Steamy incest mother and child bathing copulation

Unable to bear her husband's violence, Ryu takes her son Kenji and runs away to a local hot spring inn. However, Ryu ends up loving Kenji, who has always protected her from her husband, even more than her son. Ryu takes a bath with Kenji while he is taking a bath. Kenji is confused and tries to hug him and kiss him, but he runs away. Ryu can't control himself and sucks Kenji's cock in the room. However, the act was witnessed by the innkeeper. Ryu is forced to give a blowjob to keep him quiet. After that, the mother and son confirm each other's feelings and seek each other's bodies in a hot spring at night.