"Right now, I'm living alone with my father-in-law. But recently, my father-in-law, who used to be kind to me, has been acting strange..." A beautiful girl like Shirayuri, Koharu, unfolds with her father-in-law in a dangerous situation. Incest story. Koharu is gradually dyed in the color of his father-in-law, but is it his father-in-law's wish or Koharu's wish?
