The Invincible Doomsday in MHA(My Hero Academia)

A Normal aged man died a natural death despairing in the fact that he could not carry out his fathers wishes, God has given him the chance to forge a new path with his undying will and experience from his past life to go on a journey to seek the answers to see if beings of several existence are truly meant to be saved or left to their own destruction.(Will the answers he obtain will shed light or darkness)