Bad Ending Maker

Bad Ending Maker summary:

“Please write your resignation, Mr. Mincheol.” He was fired overnight from the job he devoted his youth to for opposing the management's policy to add a payment system in the game. That's how his life as the Development Director of Wings Online came to an end. It's a game I made and a world I made, so... I'm the only one who finishes this world. I will become the final boss myself and end this game with my own hands! "Now I'll show you what a bad ending is."