I’ll Retire After Saving the World

Alternative Name: I Will Save the World And Then Retire / 세상만 구하고 은퇴하겠습니다

Description: Year 2044.
Right before the global explosion of dungeons—the end of the world. And… when I opened my eyes again, it was twenty years before the end. I, Woo Hwijae, must stop the apocalypse to secure my retirement plan!