The main character is a student named Masaya. To earn money, he moonlights as a tutor in the evenings. One day he received a package. It contained an ordinary-looking notebook and a letter. If you believe what is written in the letter, then the notebook has the power to persuade girls to have sex. And then Masaya decides to try the gift that has fallen on him.

One day, a young man, while spending time on the Internet, came across an adult video starring his mother and one of her work colleagues. This caused him to be perplexed, and he decided to find out exactly what his mother was doing, and began his own investigation. It led him to the place where she worked...

This animated movie consists of four stories linked by the theme of female characters. In each story, different attractive girls find themselves in an elevator that breaks down at the most inopportune moment. At that moment lustful guys enter the elevator.