His proud and beautiful mother.However， He finds out that his mother is having an affair with a boy younger than him.A mother and a younger boy enjoy their unbridled sex in front of him.Eventually， He steps into the immoral world through the two of them.Main contents＃ Son who discovers a sex video of a boy and his mother and masturbates while watching it.＃ Mom and younger boy having sex in the home. The son who masturbates while looking at it.＃ Sexfilming with parents， a boy， and a son.This is a graphical novel with photorealistic CG illustrations.Illustration size: 1404x1080［Illustrations ＋ Novel］ and ［Illustrations Only］ are included.280 illustrations