JUSAKA - Dr. Bloodsucker

After failing to save the girl he loves from a rapist, the protagonist loses his life in the struggle. He awakens in a hospital in Hades, a world beyond the human one, where he meets a strange doctor. The doctor offers him a chance to revive and return to the human world, but only if he makes a contract. The protagonist must decide whether to accept, while the nature of the agreement remains a mystery.