My Hero Academia of the Dead

It was all just a normal day for Izuku Midoriya. That was until he watched as the world fell apart from the dead coming back to life. As soon as the world met the first undead nothing was able to stop them from taking over most of the world. His closest family his mother was at work when this happened, and she never came home. His best friend's life came into question but the worst thing of all was what happened to all the Heroes?