Her father is away on a company trip, and she has had a lot of sex with her stepmother, whom she has always admired, and is living a creampie life.

Yu, a stepmother, was suddenly found after her father's remarriage. Ryota, who is at his age, is always addicted to his attractive body and smile. However, his partner is his father's second wife. He had given up on the fact that he had never come true, but an opportunity suddenly came. My father will leave the house for three days on a company trip. We cannot miss out on another opportunity. After being alone with the two of them, Ryota manages to attack Yu to turn around...