My Sister Was Murdered, So I Joined the Monsters to Declare War on the World

The place where Chu Qing lived underwent a mutation, and the city quickly fell. Only he and his younger sister remained, struggling to hold on. During an outing, Chu Qing was infected. With only a few days of consciousness left, he decided to risk everything, leading his sister across the monster-infested “City of Purgatory” to get her to the survivor base alive, even if it cost him his life. But just as he thought his sister would live on for both of them, rows of empty gun barrels erupted in a furious roar. The familiar figure fell before his eyes. Chu Qing froze. At the same time, the mutation within him finally began, and countless monsters recoiled in fear. A monster that even monsters feared had been born...