Bug Eater

Cheaters get punished—that's how the rules work in most games. However, in the VR MMORPG First Land, exploiting bugs is an open secret, allowing players to gain powerful abilities, expensive items, and level up with ease. Even First Land's top-ranked player, PotatoFistKim, is a bug user who cheated his way to the top. For Jihan, the user behind PotatoFistKim, the stakes are high as he needs to earn money to treat his sick sister. But he's eventually forced to face the consequences of his actions, as he encounters a "bug eater" charged with punishing cheaters...

(Source: Webtoon Entertainment)