Omniscient Reader's Viewpoint Manhwa Volume 4 features story by singNsong and art by Sleepy-C.

Dokja has his hands full dealing with the relentless monster attacks, as well as Landlord Coalition's schemes. But when Junghyeok Yu disappears amidst the chaos, he's faced with a chilling question—when the main character of this universe dies, what happens to the rest of the world…? Not wanting to find out, Dokja sets out to look for the missing Regressor in the Theatre Dungeon!