YST-166 Drowning in my son, the sex monster Sachiko Ono

Film Introduction

A mother who accidentally witnessed her son's masturbation. Unable to fix the situation, she inadvertently asked her mother, "Would you like me to help you?" Her mother, who was poked and seeded in the back of her vagina with a harder thrust and a big dick than her husband, realized that she was a woman for the first time in a while... with her son's cock.