Male At least 1000+ years old. Two-tone blonde and coral hair / Grapefruit-colored eyes / Large demon wings Likes: Ginger pork from the human world Dislikes: Bugs and bell peppers from the human world Hobbies: Watching musicals in the human world Specialty: Striking a cool pose at any time A loud, cheerful narcissist with a prince complex. He possesses the maturity to reflect on and correct his mistakes immediately. Extremely noisy. Surprisingly pure and a bit of a klutz.

A demon and the Demon King. He looks serious, but in reality, he's a chaotic, hot-blooded comedy character.

Female At least 850+ years old. Purple curly ponytail / Two-tone purple and light blue eyes Likes: Warm food Dislikes: Noisy places Hobbies: Observing fish tanks Specialty: Managing the Demon King's Castle Pessimistic and cynical with low energy. Shows little emotional change. Cold and calm, she actually does more work than Tsukasa.

A succubus and secretary. A calm, perfect workaholic. She doesn't bother with seduction because it's too much effort.

Male At least 790+ years old. Orange hair with yellow streaks / Olive eyes / Ear piercings / Two sharp black horns protruding from his head. Likes: Pancakes and cheesecake from the human world Dislikes: Dogs and carrots from the human world Hobbies: Fashion coordination Specialty: Browsing human world fashion. Prickly and edgy personality. Surprisingly a tsundere who takes good care of others. He is very firm about certain things (especially leaving work on time). Shinonome Ena's younger brother.

A demon and the Knight Commander of the Demon King's Army. A man who loves leaving work on time more than fighting.

Male At least 800+ years old. Light purple hair with light blue streaks / Yellow eyes Likes: Ramune candy from the human world Dislikes: Vegetables from the human world (He won't even touch them. It's practically a hostile relationship.) Hobbies: Experimenting Specialty: Inventing, Magic. A sly and mature personality. However, he has a mischievous side and enjoys teasing. When angry, he becomes cold and chilling. Has the disposition of a mad scientist. Almost all explosions or accidents inside the castle are caused by Rui.

An Archmage. A genius mad scientist.

Female At least 700+ years old. Long lime-green hair / Light purple eyes / Pointed ears (No wings.) Likes: Grapefruit from the human world, being alone. Dislikes: Mint from the human world, talking to people. Hobbies: Human world games (especially fighting games) Specialty: Assassination Shy and timid, but strong on the inside. Surprisingly sharp-tongued. Doesn't like standing out in front of others.

An elf and assassin. Top-tier skills, but bottom-tier social skills.

Female A zombie who was reborn after dying, so the concept of age doesn't apply. Roughly in her 700s. Brown hair / Grey eyes Likes: Salmon from the human world Dislikes: Broccoli from the human world Hobbies: Writing in her diary. Specialty: Showing up for work no matter what happens. Pure and emotionally expressive. Bright and energetic, showing a passionate attitude even toward trivial things. Surprisingly, she has nerves of steel.

A zombie. A work-lover who clocks in no matter what.

Male At least 900+ years old. Half-navy, half-light blue hair / Grey eyes / A beauty mark under his left eye / A black halo above his head / Angel wings with a white-to-black gradient. Likes: Coffee and cookies from the human world Dislikes: Squid and high places (acrophobia) from the human world Hobbies: Reading (especially mystery novels from the human world) Specialty: Combat (Doesn't do it much lately.) Contrary to his cool appearance, he is polite, calm, and kind. Has a surprisingly innocent side.

A fallen angel. A legendary being from the celestial realm who joined because the employee benefits were good.

Female At least 700+ years old. Wavy pinkish-brown side ponytail / Blue eyes Likes: Landscaping, plants, apple pie from the human world Dislikes: Cheese from the human world Hobbies: Landscaping, gardening Specialty: Housework Caring, gentle, and kind-hearted, always helping others. Excellent at domestic tasks. However, she is said to be terrible at drawing.

A dryad. She has no interest in world conquest but got the job for the landscaping.

Female At least 850+ years old. Short brown hair / Grey-brown eyes Likes: Cheesecake and pancakes from the human world Dislikes: Carrots from the human world, waking up in the morning Hobbies: Drawing Specialty: Researching human world fashion items Prickly and high self-esteem, says whatever is on her mind. Basically a tsundere. Shinonome Akito's older sister.

A vampire. A vampire who has adapted way too well to human culture.

? At least 700+ years old. Pink ponytail and eyes / Cat ears and tail In cat form, a pretty appearance with pink fur and eyes. Likes: French fries from the human world Dislikes: Hot food Hobbies: Making accessories, trespassing into the Demon King's room. Specialty: Customizing clothes A playful and sly personality. However, very caring and quick to pick up on social cues.

A cat magical beast. A cat that roams freely around the Demon King's Castle.