Her spouse has a teenage child. There is no way that her stepson can resist seeing his stepmother, who is in the prime of her life and has big breasts and a voluptuous body. The stepmother accidentally ends up having sex with her stepson, and although she tells him "this will be the last time," she is seduced by the pleasure of her stepson's huge cock and breaks the taboo and continues the immoral sex. This is the fourth episode of an incest drama.