Vampire Stories: Chasers (Vanpaia sutôrîzu: Chasers) (2011)

Takagi Shu is a happy-go-lucky person who sets his eyes on a lonesome girl named Hisako. When lodging in the wood with some friends, Ai, a vampire, attacks them. Despite of dying, Shu turns into vampire and saved by another vampire named Asagi. They try to find out who was going rampage in the lodge that night.