When Will it End?

In the world of Remnant, in the city of Vale, was a young man, with a dull look, he looked a average boy, who had a dull life as a civilian, until an accident happened, that accident should of killed him, but he was alive, how could this happened, well, there are Grimm, Humans, Faunus, and Ajin, Ajin look like humans and faunus alike, but lets just say that a Ajin's life is like a game, when they die or in a bad conditions in there body, or in simple words bad injured, they can reset when the sweet embrace comes, only find themselfs good as new, except for there clothing of course