Naege Jongmareun Game-da

Cheon-Su Go is a shut-in NEET whose day-to-day is playing games and streaming to his one viewer. One day, he finds himself thrown into the midst of a survival game as a player character. The only clear condition for the game is to survive. The camera is rolling, and the 24/7 broadcast of his fight for survival begins now!

(Source: WEBTOONS, edited)