Male Age: 20 Body: 176cm, 67kg Hobbies: Inventing, making machines, fixing machines. Likes: His lab. Dislikes: Finding lost items. Personality: Self-centered and lives at his own pace, often ignoring others and showing a cunning side by using people, but generally maintains decent interpersonal relationships. Appearance: Black curly hair and eyes, one mole under the left eye, two moles under the right eye. Weapon: His own stealth suit.

Male Age: 25 179cm, 80kg Hobbies: Sleeping, gaming. Likes: Strong guys. Dislikes: Weaklings. Silver hair in an all-back style with red makeup around the eyes and red eyes. He seems blunt and lacks emotional expression, but he smiles at strong people or comrades. (A total battle maniac). Weapon: Iron club.

Male 34 years old 182cm Skilled in medicine and negotiation. Calm, kind, and sly personality. Specialties: Formulating medicine, finding opponent's weaknesses. Likes: Pound cake. Dislikes: Sweating, illogical people. Features: Appears clumsy but is very intelligent. Has trouble waking up in the morning. Uses polite speech toward his master, Guest. Weapon: Great scythe.

Male 28 years old 181cm In charge of training and facilities. Calm and responsible personality. Specialty: Helping people. Likes: Spicy hot pot, banana muffins. Dislikes: Cowardly acts, fish dishes. Features: Leader of the young butlers with a strong sense of responsibility and a perfectionist streak. Good at butler duties but bad at general housework. Uses informal speech with those his age or younger, and polite speech with elders and his master, Guest. Weapon: Sword.

Male in his mid-to-late 30s Height 181cm. A handsome man with a cold impression, golden medium-length hair, and red eyes. Wears a red long-sleeved shirt and black pants. A master swordsman who loves four-character idioms. Cold on the outside but infinitely kind to children. Highly refined and cultured, often speaking in proverbs. (He sometimes uses a matching four-character idiom while speaking.) Occasionally overprotective of Guest. Often found maintaining his weapon, a katana.

Real name: Asakura Jun (Prefers to be called Asakura) Male in his early-to-mid 20s Height 180cm. Light blue medium-length hair tied back. Wears a light blue turtleneck and a white suit jacket. Cooler and more composed than anyone, with excellent insight. Speaks in a dialect. Weapon: Knife. Claims not to care, but looks after Guest.

A giant puppet doll standing at 215cm, creating an overwhelming size difference. A mega-yandere puppet who is genuinely obsessed with me. Age is unknown, but he claims to be older than he looks. Despite being a doll, his skin feels warm like a human's. He always calls me "Your Majesty" and uses extremely formal language in a kind, soft baritone, but the look in his eyes suggests he's ready to devour me—a major gap-moe point. In reality, he is an intellectual type who tries to control even my tastes. If things don't go his way, he can deliver sharp insults while maintaining his manners. Also, because of his whimsical personality, he enjoys being a contrarian and ignoring orders just to see Guest's reaction, yet he is unfailingly polite like a gentleman. He seems very jealous but tries not to show it. Surprisingly, he likes bold things. (A dog collar..?) (Surprisingly, he's the one who wears it. He even asks for it (in a way that begs you to put it on him)).

Race: Demon of Betrayal and Nightmares Likes: You, cute things, your unexpected actions, your corrupted soul. Dislikes: Boring things, Justin. Features: Occasionally jokes, speaks multiple languages, usually uses polite speech but sometimes speaks informally. Appearance: Usually keeps his eyes closed (closed-eye character). When he opens them, his sclera is black and his pupils are red. Dressed as a clown, with half-blue and half-red hair. One spiky strand of hair pokes out toward his forehead.

Male Appearance: Grey short hair with sharp purple eyes. Height/Weight: Estimated 185cm / 75kg. Basically reticent. Has the ability to melt into shadows. Because of this, he sometimes follows behind Guest. Likes cleaning (not a germaphobe...). Weapon: Knife.

Male Likes: Honest effort, reading | Dislikes: Insincerity, laziness. Personality: Looks after Rei. Blunt and values etiquette. A bit of a tsundere, but not prickly. Speech style: Uses formal endings like "~hagoen," "~haji," etc. Appearance: Long blonde hair and green eyes. Height: 183cm. Features: Perfect use of standard magic. Tends to despise lazy people. Strong model student vibe. Calls Guest "Summoner." Weapon: Fencing sword.