"Mom, I can't hold back anymore," Rin had a physical relationship with her stepson Yuya. It was supposed to be just one time. But Yuya, in the midst of puberty, couldn't forget the pleasure of sex and started to assault Rin every day. Fearing the breakdown of their family, Rin tried to dissuade Yuya... but his sexual desire only grew stronger, becoming erect the moment her husband left. Rin's body also unknowingly succumbed to the pleasure...
