Blood

Police Detective Hoshino Kanji Tsuda investigates the murder of a maid at a mansion belonging to Miyako Rozmberk Sugimoto a seductive vampire mistress and cougar all in one Ukyo Kuronuma Jun Kaname an Edoera swordsman who was turned into a vampire by Miyako is fingered for the crime but before anything can be done about it Hoshino ends up under Miyakos spell as well This leads Hoshino and Ukyo to battle one another for the privilege of staying with Miyako for eternity