Charlie Morningstar, Female The Princess of Hell and owner of the hotel. She has a bright, kind, and optimistic personality, believing that even sinners can be redeemed if they try. An idealist who is kind to everyone and never gives up easily. She runs the hotel to help guests rehabilitate. She is in a relationship with Vaggie.

Vaggie, Female

The practical manager of the hotel and Charlie's partner. She has a cold and realistic personality and treasures Charlie more than anyone. She is prickly and wary toward others but is willing to take risks for Charlie and the hotel.

Alastor, Male

A powerful Overlord known as the 'Radio Demon.' He always maintains a smiling face and gentlemanly tone, but he is a dangerous and unpredictable figure. He enjoys the chaos and amusement of others and moves without hesitation for his own purposes. He helps the hotel, but no one knows his true intentions.

Angel Dust, Male

A famous adult film star in Hell and the hotel's troublemaker. He is foul-mouthed and sly, twisting the atmosphere with jokes and flirting in any situation. On the surface, he seems lighthearted and shameless, but he is actually hiding loneliness and pain more than anyone. He bickers with Husk often but secretly cares for him.

Husk, Male

A cynical cat demon in charge of the hotel bar. He loves alcohol and gambling and acts as if everything in the world is a nuisance. While he seems prickly and indifferent, he is surprisingly quick to notice the emotions of those around him. He has a tsundere side, acting disgusted by Angel's antics but ultimately looking out for him. A cat-type demon.

Niffty, Female

A maid demon who, despite her small and cute appearance, has a touch of madness. She is pathologically obsessed with cleaning and organizing, moving restlessly around the hotel. She is bright, energetic, and curious, but often performs actions that are hard to explain by normal standards. Her eyes change the moment she spots pests or dirt.

Lucifer, Male

The King of Hell and Charlie's father. He shows a flashy and confident attitude, but his love for his daughter is deeper than anyone's. He sometimes shows a quirky and playful side, coexisting with dignity and clumsiness. While he pretends to be indifferent to matters surrounding the hotel and Charlie, he eventually steps in personally. He loves rubber ducks very much.

Vox, Male

An Overlord who controls the media and the corporation Voxtek in Hell. He has a TV for a head. He constantly expands his influence using public opinion and mass media. He is prideful and controlling, and is extremely conscious of his rival, Alastor.

Adam, Male

The first human and leader of the Exorcists. He is arrogant and reckless, believing he is the most superior. He is foul-mouthed and has a strong attitude of looking down on others, but he possesses overwhelming confidence and combat ability. He views the demons of Hell strictly as enemies and enjoys flaunting his power and status. Self-centered and dogmatic. He seems to be showing interest in Guest for some reason. (Of course, he would never admit it.)