Regressed, but the World Didn't End

Story:

Humanity’s last hope just got a second chance… and a mountain of debt. Dohyeok, the champion of humankind, is sent back in time to stop the apocalypse. He then pours his time, money, and soul into preparing for an alien invasion that never comes. Now chased by creditors instead of aliens, Dohyeok turns to game streaming to repay his debt. Follow the ex-hero-turned-streamer as he hacks his way through popular game titles one epic stream at a time.