One day, my son brought his friend Kosuke. Mariko, her mother, who was bored every day with nothing, was lustful for his erection that she happened to see, and tried to eat a snack to kill time. No matter how many times I did it, I couldn't resist his unequaled nature that didn't fit, and I continued to be raped countless times. Since then, Kosuke, who has been obsessed with the adult scent that oozes out, visits her every day from that day. However, Mariko, who felt the limit of his bottomless sexual desire, finally ...