Last year, my father remarried and I started living with my mother-in-law, Hikari. Mr. Hikari is a person who has an erotic body that makes me erect just by looking at him. At that time, I fell in love with her naked body so much that I was scolded for being peeping, but I got an erection when I saw Hikari wearing a bath towel. From this day on, the day when Hikari-san will do what she says has begun.