Reborn as a Legend in the Apocalypse

The male lead is reborn one week before the apocalypse begins. He warns his classmates and friends that the end of the world is coming, but not only do they refuse to listen, they mock and sneer at him. When the apocalypse arrives, he is fully prepared and has a 12-year head start over everyone else, becoming a peerless talent of the new era... See how insanely awesome the male lead becomes!