Vampire Detecive

Aoki Juurou finds murder victims a little too often, causing some cops to suspect him of being involved.
At the opening of this story, he discovers the body of the idol Komori Erie by following the strong scent of her blood. After dealing with the police, Aoki takes the details of the case to the mysterious shut-in Hisato. If Hisato can solve the case, he can take justice into his own hands...