During the 7 days of the hot summer when my wife went home, she went home and recorded a crazy sex record of her big breasts shaking her grown-up stepchild who never knew me until she said, "I love your dad."

Rena is a female college student whose mother remarries and her father-in-law and she is about to live a new life together. Rena has begun to give her a very kind stepfather, but one day, that changes completely. He witnessed his stepfather sneaking into Rena's room and devouring her underwear. However, I don't want to create a sad scene from my mother. From that day onwards, Rena keeps her distance from her stepfather, but her grandma becomes unwell and her mother ends up going home for a while. Then, her cunning and lewd stepfather interferes with Rena as she tries to escape to her friend's house...