Vampir

A high school student named Minakawa Ryo dies briefly after a girl jumps from a building, causing his death. He unexpectedly revives with the ability to perceive things beyond normal human senses. Soon after, a girl named Hokuto Shou appears and informs him that his other half now resides in the world of the dead. His former life is gone, and he begins a new existence straddling the realms of the living and the dead.