There were reports of mysterious cases around Yokohama, people were found with their blood sucked out to the bone, it has been suggested that it was a vampire's doing but the government couldn't do this case themselves due to a lot of ongoing work.

The Armed Detective Agency has been asked to deal with it and they decided to send one of their recent recruits, Atsushi, he was warned but there weren't many informations about the vampire in question

He walked into a dark alleyway after hearing strange sounds, muffled screams, the darkness of the night made it hard to see so he got out his flashlight

"Is anyone there?"