Incest Mother won't give it to anyone!

Yukie is in trouble when the string on her luggage breaks on her way home from shopping, and she is rescued by Kenta, a college student who happens to be passing by. A mature woman and a young man are supposed to be strangers, but for some reason they are drawn to each other and their bodies overlap. What the world calls an ``age difference couple''...the two were passionately in love with each other. One day, when Kenta drops Yukie off at her apartment, he finds men's shoes at the entrance and is confused. Yukie advises Kenta to go home today, but...