The System Arrived Early, I Maxed Out the System in Advance

"Buzz~" After slapping the mosquito to death, Lin Ye heard in his mind: [Ding! Kill the first-level ferocious beast and activate the apocalyptic survival system! Lin Ye looked out the window at the square dancing aunts and the busy traffic, and he was completely confused. The system said: This is a collapsed wasteland, and the streets are full of cannibal zombies! Reality says: This is a harmonious society, and the neighbor's sister is inviting him to dinner. System: [Warning! Encountering a first-level female zombie ahead! Lin Ye: Sister, you asked me to slap you with this slap, and the system will reward you! When the apocalypse really came a year later, Lin Ye looked at the trembling zombie lords on the ground: Is this it? I stopped you from spawning monsters a year ago!