Doomsday Super System Modifier: One-Click Invincibility

Lin Fei wakes up to find he has transmigrated to an apocalypse overrun by zombies. At the brink of life and death, he obtains the strongest modifier System. Walk through walls, see through things, auto-aim, lock on to heads... It has every function imaginable. Activate, activate, activate them all! With this, who could possibly kill me? In an apocalypse where everyone fears for their life, Lin Fei does as he pleases, strolling through the city with the most zombies as if he were at home. Food is as precious as life itself, yet Lin Fei can pull an endless supply from his backpack...