Introduction: *What does it takes to be a hero？In his previous life, when the apocalypse had arrived, he was sincere and kind-hearted, trying to protect everyone.For all those years，No one knew that he was the frist of his generation who had been at the forefront of defending against those monsters in the apocalypse, and opening up a base for human survivors.But In the end，he was falsely accused as an evil demon that fought against humanity, becoming public enemy of the whole world, and was not tolerated by the humans... he was dead in a unknown cave.When he opened his eyes again, it was ten years ago, the day before the apocalypse!...