The film has four separate parts played by four actresses but has only two main contents.
Part one is also the first content about Wakatsuki's clumsy affair with a young pilot who hitchhiked. Criticizing her old husband, every time she has sex does not satisfy her desires, so she always wants to find a young and healthy man to make her happy. Coincidentally, the young neighbor was exactly the type of person she wanted. After hitchhiking to the toilet, she was already standing at the door and soliciting his love, the young man, because he was a teenager, also wanted to try the thrill, so he boldly took the initiative. When the husband came home later, they panicked and hid in the bathroom but did not stop but continued to have sex while the husband did not know what had happened.
The other three parts all have the same content. The actresses, after discovering that they were peeking at by spoiled students, forced him into their house to deal with it. You are scared because you think they will punish you, but no, it is just because they are too lustful and sexually driven, which is why they look for ways to invite you in for relations.