Natsumi (Ai Takeuchi) is forced to work in a steel factory in order to pay off a debt, a factory notorious for employing women with "dark pasts" as slave labor. Tsukada, Chief of Security places Natsumi in a team of four women led by Atsuko(Nagisa Umeno). When one worker fails to follow instructions, Tsukada rapes her, and Natsumi is next on his list. Natsumi tries to fight the insanity, but is hindered by managing director Hideko and factory president Kamiyama. It is up to Natsumi to take on the evildoings of the factory.

A man thinks he is an actor. He has a part-time job and likes a cute girl at work. He grabs the chance to have sex with her. Premature ejaculation hits, however, as he is taking off his pants. Angry at what has occurred, he decides to train in order for this not to reoccur. He shares an apartment with a friend. The flat-mate is going to help him with his training.

The two are friends. The two are parents and children. The two are lovers. Being together softens my heart. I'm glad to be with you. And lonely. The loneliness that I only feel when I'm with you.