Tamami Matsumoto

The movie takes place again in the fictional Wangan Station of the Tokyo Metropolitan Police Department the once empty space within Wangan's jurisdiction has become a popular tourist attraction. When a string of murders of company execs begins taking place, Aoshima jumps at the opportunity to pursue something other than his current case, which he finds less than inspiring. However the powers that be have other ideas, and Wangan again plays host to a special investigation team from headquarters. Aoshima's friend Superintendent Shinji Muroi, assigned by headquarters to assist Okita, is again powerless to help the local officers as decisions are made by the higher ups.

The story is set at the blood donation club in Kurusu Private High School. There are four girls who are fascinated by the pleasure of having their blood drawn – Maki (Erika Karata), Jinko (Ichika Osaki), Nami (Mikoto Hibi), and Kaoru (Nazuki Amano). One day, Maki meets Mai (Nina Makino), a beautiful girl dressed in black, in the blood donation room. Mai fainted after her rampage against the nurses, and Maki unintentionally carries her into the blood donation club room. Mai then reveals a shocking fact – She is a dropout vampire who could not attack humans! Struck by Mai's fragile expression, Maki and other members decide to feed her with their own blood instead of donating blood…

In a world where giant robots are built and used for labor, a special police force of robots is created to handle crimes relating to these machines.