Yua, a married woman, goes to warn the young people living next door about the noise they are making. However, they notice her voluptuous bust and attack her! Yua is reluctant, but when they touch her nipples, she starts to twitch and feels it, and she is unable to resist. They forcefully develop her nipples, and she becomes the young people's "sex urinal"! Yua is actually a masochist. She exposes her embarrassing appearance in breast tights and gets her pussy wet.