You Start with a Knife, and All Your Equipment Depends on Explosion.

The world breaks out and the end comes. Long Yi, an ordinary high school student, is watching a movie at home. Suddenly, zombies knock on the door. Long Yi shivered. At this moment, the ten thousand times critical hit system was activated. You start with a knife, and all equipment depends on explosion. Killing zombies will reward you, and triggering a critical hit will double the reward. From then on, Long Yi embarked on a path of killing mutant species.