Available as both manhwa and novel.
Bad Ending Maker
Also known as: 배드 엔딩 메이커 · BE結局製造者 · BE结局创造者 · バッドエンド・メーカー
Mincheol’s game Wings Online is going to be ruined for the sake of profit! But the new General Director has forgotten one thing: Mincheol knows every nook and cranny of his virtual world. Together with his trusty AI sidekick Oasis, will Mincheol be able to enact his revenge and create a Bad Ending for Wings Online’s season 6 update?