Shi Shou Bian Yuan

During the holidays, Mo Bai and his older brother Mo Fan were attacked by a zombeast that broke into their house. After the attack, Mo Bai found himself turning into a zombeast, while Mo Fan was rescued by the zombie-hunters. To find his brother, Mo Fan became the strongest hunter in the organization. People were frightened when Mo Bai reappeared as an S-rank zombeast. Now the brothers will finally meet again, but the situation is completely different, and they are on the edge of an explosive conflict.

(Source: MKZhan, translated)