To Not Die

Dajun is bullied every single day at school. Desperate, he believes taking his own life will end his torment but soon realizes it's not him who deserves to die... it's all the scumbags in this world. And when an incident with his bullies forces him to have to fend for himself on the streets, Dajun sets out for revenge. To do so, he'll need to become strong. But he quickly learns that school bullies aren't his greatest enemy... he's now got bigger fish to fry.

(Source: Webtoon Entertainment)