One day, the mother, Mizuki, is in a good mood when she says that her daughter Ami will bring her boyfriend. However, her partner turned out to be Mizuki's friend, Kiyoharu. Mizuki, who was puzzled by her, was excited by the situation that she was her daughter's boyfriend. Enjoy secret relationships. However, Mizuki's estrus girlfriend's body could not stand the one-time sex, and she set up a night crawl to Kiyoharu's bedroom where she was staying.
