There are four girls taking part in the illegal underground fighting 'Blood Girl' where the conflict took place in an abandoned school building in Roppongi every night. Each girl has a different story, as Satsuki (Yuria Haga) suffers from some kind of sexual identity disorder, and Chinatsu (Asami Tada) is a woman who escaped from her husband after great suffering, and Miku (Ayami Misaki) is the queen of S&M and May (Reina Koike) She got the face of Lolita