When the End of the World Comes, I Have My Own Way of Survival

An unknown virus turned 80% of the world's human beings into zombies. In a very short period of time, all order collapsed. In the apocalypse, humanity became more apparent. The bad guys became the leaders, and the weak became the flesh and blood of others. What I have to do is to use my own way of survival in this apocalypse to survive. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.