The Void Kingdom

Story of a young boy who wants accidents to occur so that he can die without attempting suicide. But his luck is heaven shattering, not giving him a single chance. However, after countless tries one day, he was finally involved in an accident but instead of killing him, the accident changed his life.

It freaking changed his species! Moreover, the world isn't what it looks like! He is even saving another world and a fallen clan "Damn! I just wanted to die in an accident! Kill me already!"