Four girls participated in the event of illegal underground fighting "Blood Girl" was held in an abandoned school building in Roppongi every night. The girls have their own stories and repudiates of their private lives. Satsuki (Yuria Haga) has a form of gender identity disorder, Chinatsu (Asami Tada) fleeing an abusive husband, Miko (Ayame Misaki) is an S & M queen and Mayu (Rina Koike) has a Lolita face…  .