One day, while cleaning her son's room, Yayoi discovers some pornographic magazines. Driven by curiosity, Yayoi starts to get excited and begins masturbating. After climaxing and falling asleep, Yayoi notices her son staring at her body upon his return home. To such a son, Yayoi opens up her own body… Look forward to the final incest work presented by Yayoi Yanagida.
