Hotaru is a single mother. She is worried about her shy son. Then she brings her friend over to the house. She is happy, but it turns out to be a trap, and she is used as a sex toy by a group of horny brats. They threaten her, force her to masturbate, give her a blowjob, play with her body near her son, and even have sex with her son! She is transformed into a slutty, filthy mom covered in semen after being creampied by the brats over and over again.