Three years after her mother died, the woman whose father remarried was a lovely woman with sex appeal. And I, and I, are attracted to the woman ... Every day I just look at Kozue-san who is cleaning and delusion of my nasty relationship with Kozue-san who is taking a bath. From one day, I would like to monitor Kozue-san ... I'm jealous of the night life with my father, but one day when I'm watching Kozue as usual, I can't believe Kozue ...