Entering his own system is one of the best thing happened-no it's crazy to enter this one! Where's the exit? Where the cheat codes? Because he's inside of apocalyptic world. Where the modern people are fighting with infamous virus known as "Enigma" which turned humans into zombies, man eating beings, half- beast and more monsters. As for the counterattack of new established world government. They made nonhuman soldiers and fighters called Nirvana. Falling into his own mistake, he was fortunately saved by one of the big name in Military, Mauser Luger. Without any identity. He was tossed aside by Captain Luger at the pile of Zombies. Him : What the fuck! Help me! Captain Luger: . . . Idiot. As the creator of this world, he must stay with them to find a glitch.