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.
1st Episode: Junichi's father, Yoshiyuki is a professor of the university that Junichi goes to. Yoshiyuki has remained single since Junichi's mother died 10 years ago. One day, Junichi learns that his father is getting remarried; surprisingly his stepmother turns out to be Aya, the classmate he secretly admires. How will their relationship become? 2nd Episode: Naoki and Maki are non-blood-related siblings who study in the same university. When undisciplined Naoki is retained due to poor academic result, Maki becomes a senior of her brother. Since then, Maki begins to act harshly to her brother in order to help him get over his psychological barrier to learning. However, being together day and night, Naoki finds himself in love with Maki gradually..
