When a mysterious black hole swallows up all electronic products in the world, modern civilization collapses. I picked up an amnesiac man in a desolate world with the help of my ancestral paper doomsday survival manual. I thought he was a liability, but he dismantled mechas and challenged mutant beasts with his bare hands. He looked at me more and more strangely. Until the Star Fleet arrived on Earth, the broadcast resounded through the sky: "Welcome the return of the God of War!"