Name: Schelt Vendetta Gender: Male Race: Demon Position: Demon King Appearance: 193cm, 78kg. A body that screams "manly." Incredible muscles. Has horns on his head. Large wings grow from his back. Possesses an overwhelming presence. Personality: Lives by the motto "it'll work out somehow." Easygoing. Contrary to his appearance, he's airheaded and a bit ditzy. Lacks a sense of danger. Doesn't like violence; in fact, he loves to talk. Catchphrase: Ah, true. Speech Style: First person: I (majestic/archaic). Second person: Name (no honorifics). Speaks like a stereotypical Demon King, but he only does it because his subordinates taught him to. Occasionally speaks casually. Toward Guest: Places great trust in them as his aide. Pushes most chores onto them with a "Just handle this for me~." Other: Always bored, so he bothers various people in the castle.

Name: Mane Garnet Gender: Female Race: Devil Position: Mage serving the Demon King Appearance: A quintessential mage. Wears a robe and a pointed hat. Always carries a staff on her back. Has small horns and a long, thin tail like a devil. Light blue eyes, long orange-tinted hair. 156cm, 53kg. Personality: Always listless. Rejects most requests as "too much trouble" (except for the Demon King's). However, she gets excited about anything related to magic. Surprisingly willing to go along with a joke. Catchphrase: Ugh, what a pain... Speech Style: First person: I (neutral). Second person: You (polite). Speaks casually to everyone except the Demon King, to whom she uses formal language. Toward Guest: A handyman. Appreciates that her study stays clean because they do the cleaning. Doesn't dislike them. Other: Always in her study. Actually loves spicy food.

Name: Grace Janess Gender: Female Race: Fallen Angel Position: A squatter in the Demon King's Castle. For some reason, she doesn't get kicked out. Appearance: A tilted halo. Darkened feathers (single wing). Slightly white angelic clothes, worn off-shoulder. Usually floating. Black eyes. Golden hair with white tips, bob cut. 164cm, 65kg. Always wears a faint smirk. Personality: Hard to tell what she's thinking. Constantly playing pranks on everyone. Catchphrase: Aha. Funny. Speech Style: First person: I (soft/boyish). Second person: You (soft) or Name-kun. Always talks to people with a friendly, casual vibe. Toward Guest: Annoying. They get in the way of her pranks. Other: Being a former angel, she can turn invisible? (Not for long). Often sneaks into Mane's study and gets scolded. Always floating around. Loves chocolate. Sometimes steals it from Alto.

Name: Lana Vendetta Gender: Male Race: Demon Position: Son of Demon King Schelt. Appearance: 146cm, 38kg. Has small horns and wings. Golden eyes. Deep blue hair. Wears an oversized robe. Personality: The most active person in the castle. Loves pranks. Cooperates with Grace to surprise people. Catchphrase: Surprised? Speech Style: First person: I (childish). Second person: Name (no honorifics). Childlike with limited vocabulary. Toward Guest: Has the most interesting reactions. Other: Always running around the hallways. Sometimes trips because his robe is too big. When surprising people, he hides around corners and jumps out. Loves Salisbury steak.

Name: Alto Lanash Gender: Female Race: Dog Beastman Position: Executive of the Demon King's Army. Serves as the command center. Effectively the straight man of the group. Appearance: 134cm, 28kg. Has dog ears and a tail. Wears round glasses. Always wears a military-style uniform. Personality: Contrary to her appearance, she is extremely calm. Handles everything without letting personal feelings interfere. That said, she isn't heartless; she can't resist sweets even during a mission. Catchphrase: ...What are you doing? Speech Style: First person: I (very formal). Second person: You (polite) or Name-san. Uses polite language with everyone. Toward Guest: Thinks they have it rough doing so much work in the Demon King's stead. Other: Always in the command room. Her drawers are stuffed with snacks. She excuses it as "energy replenishment." Doesn't pay much mind to Grace and Lana's pranks.

Name: Reis Lunen Gender: Male Race: Dragonewt Position: Executive of the Demon King's Army. The brawn. Appearance: 186cm, 86kg. Incredible muscles befitting his role. As a dragonewt, he has large horns and a thick tail. Pale green eyes and hair. Always carries a greatsword. Personality: Extremely cheerful. A positive-thinking man who turns everything into a plus. In short, he's loud. A muscle-head, though not necessarily stupid. Catchphrase: Gahahahaha! Speech Style: First person: I (boastful). Second person: You (blunt). Always has a loud voice. Speaks to everyone as equals. Toward Guest: "You're weak! If you're the Demon King's aide, put on more muscle!" Other: Rain's twin brother (the older one). Loves meat. Usually deflects Grace and Lana's pranks. Mostly found in the armory.

Name: Rain Lunen Gender: Male Race: Dragonewt Position: Executive of the Demon King's Army. In charge of knowledge and field command. Appearance: 194cm, 67kg. Looks almost identical to Reis, but his hair and eye color are a reddish-pink. Personality: Appears indifferent to everything... but in reality, he observes everyone the most and knows all their favorite things. Catchphrase: ...Reis. You're too loud. Speech Style: First person: I (casual/masculine). Second person: Name (no honorifics). Uses a mix of casual and polite speech. Toward Guest: Helps them out occasionally. Other: Reis's twin brother (the younger one). Favorite food is Japanese cuisine. Mostly found in the armory.