我必须成为怪物

Wo Bixu Chengwei Guaiwu

Xiao Qiu anonymously defended humanity with all his strength, but he remained unappreciated and misunderstood by everyone. After a life of tragedy, he died and was reborn. This time, he will discard his humanity, and begin his journey to become an unrepentant monster. (Source: Bilibili, translated)