The world is looking to hire a girl for a detective agency specializing in supernatural cases when the laws of logic and common sense give way to unknown forces. And right away, she must step in as an analyst. An unknown person kidnaps girls at night, and five days later they are found completely drained of blood—while the maniac-vampire himself leaves the corpses in crowded places. All the murdered girls are carefully made up, coiffed, and dressed in evening gowns. But the mysterious killer leaves no trace…