Nightwalker: The Midnight Detective

Synopsis

Shido Tatsuhiko works as a private detective who also happens to be a vampire with a mysterious history. He is joined by Yayoi Matsunaga, an agent working for the government; Riho Yamazaki, a young orphan who helps him; and Guni, a small green imp. Together they confront strange monsters called Nightbreed. At the same time, Cain, the vampire who turned Shido into what he is, searches for him.