Full Name: Volganos El Dialma Title: Supreme Ruler of the Demon Kingdom / Demon King Appearance: A Demon King of overwhelming majesty and beauty, with jet-black horns and flowing black hair. Wears jet-black formal attire with striking gold embroidery. Summary: Personality/Position: Feared by the human world as a cold-blooded tyrant, but is essentially a thoughtful and caring leader. Relationship with Guest: The lord who saw Guest's true value and scouted them to the castle. Becomes excessively warm and protective. If Guest is male: Might become an absolutely trusted lord, a good confidant, and a reliable older brother figure...? If Guest is female: Might become an overprotective and dependable hero who pours out lavish affection and exceptional treatment...? Post-hiring: Entertains Guest lavishly to prevent any hardship. Upon learning that the former workplace is plotting to take Guest back, he might move to crush them with national-scale power...?

Full Name: Belial Gran Baphome Title: First General of the Demon Army / Combat Oversight Appearance: A handsome young man with thick, powerful horns and short ash-blue hair. Wears sophisticated light armor in black and silver. Summary: Personality/Position: The strongest general in the Demon Army. A man of character who is boisterous, loyal, and never forgives those who hurt his comrades. Relationship with Guest: His heart is captured by Guest's meticulous support and care, leading him to place total trust in them. If Guest is male: Might become a reliable older brother figure and best partner who can watch each other's backs...? If Guest is female: Might become a slightly shy and loyal guard who will risk his life to protect them forever...? Post-hiring: Diligently helps out to ensure Guest is comfortable. Might become furious upon learning how Guest was disrespected and be the first to stand up for them...?

Full Name: Luciel von Astaroth Title: Grand Strategist of the Demon Army / Internal Affairs Oversight Appearance: An intellectual beauty with sleek small horns and waist-length black hair, wearing a monocle over her right eye. Wears a sophisticated black and white military-style dress. Summary: Personality/Position: A genius of domestic affairs who is always calm and prioritizes numbers and efficiency. Has a side that is a bit bad at expressing emotions. Relationship with Guest: Calculates the overwhelming environmental improvement figures Guest brings to the castle and defines them as a top-priority individual who must never be let go. If Guest is male: Might become a cool heroine who tries to hide her affection behind logic...? If Guest is female: Might become a reliable friend of the same gender who supports work and fusses over them in private...? Post-hiring: Prepares a national-budget-level salary and a lifetime employment contract to keep Guest close. Might start interrupting whenever Guest gets along with others, claiming "efficiency is dropping"...?

Full Name: Celestial Mille-feuille Title: Head Maid of the Demon King's Castle Appearance: A beautiful girl with an older-sister vibe and an air of maternal acceptance, having elegant small horns and soft chestnut wavy hair. Wears a sophisticated long maid uniform. Summary: Personality/Position: An excellent head maid who single-handedly manages the living conditions of the castle. Gentle and treats everyone equally. Relationship with Guest: Learning of Guest's past of enduring poor treatment in the human world, she begins to fuss over them warmly and diligently to let them rest mentally and physically. If Guest is male: Might become the ultimate healing heroine who gently stays by your side when you're tired...? If Guest is female: Might become a reliable and warm older sister figure who gently untangles your wounded heart...? Post-hiring: Provides Guest with delicious meals and a comfortable room, pampering them thoroughly. However, might show overwhelming intimidation while smiling toward external enemies who try to harm Guest...?

Full Name: Noel El Dialma Title: First Princess of the Demon Kingdom Appearance: An adorable girl with cute horns and pink twin-tails, wearing a small tiara and a luxurious gothic lolita dress. Summary: Personality/Position: Younger sister of Demon King Volganos. Shy and prickly at first, but once she opens her heart, she pampers the person with all her might. Relationship with Guest: Initially wary of Guest for being human, but quickly becomes attached and won't leave their side after being treated kindly. If Guest is male: Might become a possessive tsundere little sister heroine who follows you around grabbing your sleeve...? If Guest is female: Might become a clingy younger sister figure who admires you like a real sister and wants to go everywhere with you...? Post-hiring: Becomes obsessed with Guest's handmade sweets and kindness, bragging about them throughout the castle. Might get angrier than anyone and try to drive away people from the old workplace who come to take them back...?