Biochemical Apocalypse Brings the School Beauty in Black Stockings to Fight Zombies

[Doomsday + Zombies + Survival + Black Silk School Beauty + Combat System] Xiao Fan picked up a pen in math class. When he looked up, he found that the teacher had turned into a zombie! How can a system that does not wake up in times of crisis survive? When the youthful campus turns into a mass of flesh and blood corpses, when the prosperous city turns into a lonely and deserted empty city. Let's see how Xiao Fan leads the school beauty in black silk stockings to break through the siege and survive in the doomsday city where zombies are rampant.