Three years after my mother died, my father remarried a beautiful woman with a sexy personality. And I, and I, was drawn to her... Just watching Kozue cleaning, I fantasized about our dirty relationship while she was in the bath... One day, I started to watch Kozue... I was jealous as I peeked into her nightlife with my father, but one day, while watching Kozue as usual, I saw her in an unbelievable state...