I'm a Civil Servant, But the Tyrant Won't Let Me Leave Work

Waking up, I found myself staring at an unfamiliar ceiling, no, an unfamiliar conference room. The first thing I saw was an enraged tyrant emperor. I only did my best to survive, but I became the emperor's aide. "Ian, I appoint you as my aide." "I will do my best to fulfill my duties." "Good, commendable." Choi Do-yoon, a civil servant belonging to the Korea Supernatural Ability Management Bureau. He possessed the body of an extra in a tragic novel. But this world in the novel is about to end. [Main Quest: Prevent the Apocalypse D-364] Cure the emperor suffering from madness and prevent the apocalypse. ... I guess I was destined to work overtime. *** "...I won't give you guiding...