Akdangdeurui Huwonjaga Doeeotda

I, a corporate slave, ended up possessing the body of a noble inside a game, but I’m supposed to be an extra fated to be killed by the future villains? No way. I’ll reform those brats and live out my noble life in peace! To stop the young villains from turning evil, I sponsored them and helped them overcome their harsh circumstances, and they all grew up to be admirable, upstanding, perfectly normal individuals as a result. And that’s how I ended up becoming the final boss of the kingdom. …Wait, what?

(Source: Naver, translated)