Reina, who works part-time at a convenience store to help with the family finances, is sexless and frustrated. As she gets older, her husband no longer wants to see her breasts, which she was so proud of. Meanwhile, her husband is not popular with women and works part-time to make ends meet. He was supposed to be just a co-worker, but he sees her changing through the gap in the curtains. He can't contain his excitement. It was just an accident. But he can't contain his erection... And when Reina notices his erection, she boldly begins to seduce him... From start to finish, it's all about breasts and titty fucking! The start of an immoral sex life with a busty but plain married woman!