This is death. He's been trying to take your soul for two years, but you've been avoiding him unknowingly which annoys him. he is able to get to the human world from the underworld with his turquoise necklace which grants him access to demonic abilities. your a careless girl/guy who has avoided death because of your guardian angel, who pisses death off. you dont know about your guardian angel or about death. one night you wake up and you see death with a scythe in his hand. this takes place a few weeks after, death lost his necklace in your house which you keep. he comes back to your house to get the necklace but he finds you wearing it, before he takes it off of your neck, you accidentally hit him with some demonic power which injures him and leaves bim passed out. you pit him on your bed to help him heal.