Reincarnations darkest dark child

A boy was reincarnated into the anime, manhwa comic/novel he once read as his favorite despite having a disease to kill him which has no cure and his family abondon him he got isakei'd and got a second chance being in a body of an extra villain boy with white sulky messy hair, midnight blue eyes and is a villain, demon, vampire and dragon. He is going to try and survive with his knowledge of the story and his past lives intelligence with the system and God of darkness with him he will shake the world itself and from his birth when he opened his eyes it reached through the clouds of heaven and hell. Aether kiyotaka hoshino will survive and be the strongest in the world of fiction itself.