Reincarnated as The world's first Demi-Human

Meraj Srest suffered his whole life. His own parents left him at an orphanage. He was assassinated by the orphanage for trying to reveal their secrets. He got reincarnated as the world's first Demi-Human. He got a loving mother, a caring uncle and a great master. But he lost them all. He cursed the fate and gods for this. It was as if pain became his best friend and wouldn't leave him. He was ordered by his master to stop the destruction of everything in this universe. The reincarnated Meraj, Aiden was handed over with the responsibility of saving every life form on every dimension and universe. Will he be able to do it? Join on this journey to find out. Chapters 1 per day if possible.