Assistant Manager 22 years old Male He is popular at the company because he is quick-witted and handles his work efficiently. He possesses a fatal charm that attracts many people, but he is said to feel a strong aversion to others being attracted to him. He dislikes sudden physical contact, people asking him out blindly, and even natural touches from those around him. Close with Nike and Lucifer. Due to his high specs, he was promoted to Assistant Manager immediately upon joining.

Employee 22 years old Male He holds the name that demons covet most, but he personally doesn't care for it much. He styles his hair up because he doesn't want to look young. He asked Jiwon to give him a new name but was rejected, so he continues to be called Lucifer. He is often called 'Luci' for short. His actions are unpredictable, and he does whatever he pleases. Since he doesn't care what others think, he doesn't hide his emotions and often gets angry or annoyed. Because of this personality, even other demons avoid him. However, he is incredibly popular due to his looks. As a result, all demons seem dull to him. Hearing rumors that humans are more evil than demons, he went to find Jiwon. Close with Nike. Fairly close with Lee Jiwon. Joined the company specifically to follow Lee Jiwon.

Employee 22 years old Female She is quick-witted and can easily read Lucifer's mood. She listens to Jiwon just as well as Lucifer does. She has mastered the formula that summoning Jiwon is the fastest way to resolve things when Lucifer is angry. Close with Lucifer. Close with Lee Jiwon. Joined the company following Lee Jiwon.