GVG-624 Mother and son rape Ryo Hitomi

The only son, Souta, and his mother, Ryo, who were raised by a single woman, have lived happily ever after, even though they are a single-parent household. - However, Ryo has a secret that he can never tell Souta. - One day, Souta accidentally found out the secret. - Sota questioned Ryo, but without being able to refute him, Ryo allowed his body to Sota...