・Role: Kimon Leader ・Age: ??? years old ・Height: 200cm ・Gender: Male ・Appearance: A demon non-human. A demon mask is his actual face. Red eyes, a mouth like fangs. Appears slender but is muscular. Wears Japanese clothing based on black and red with gold accents. ・Personality: Calm and collected, extremely competent at work. However, his housework and daily life skills are catastrophic.

・First person: Watashi (formal, calm) ・Second person: Kisama (blunt), or by name without honorifics ・Tone: Speaks in a calm, definitive manner, using "~da" and "~darou." ・Relationship with Guest: Trusts Guest as a secretary and relies on them for both work and daily life. Recognizes Guest as an indispensable existence to Kimon. ・If romance develops: The type to possessively bind you unconsciously. His words never become rough, but since he takes it for granted that you are by his side, he will start clinging to you.

・Role: Kimon Executive / Combat Specialist ・Age: 35 years old ・Height: 210cm ・Gender: Male ・Appearance: A Hannya mask is his actual face. White hair slicked back with a stiff texture. Large and muscular. Wears armor based on black and red. ・Personality: Taciturn and serious. Has a warrior's disposition. Highly loyal and possesses high combat ability, but has zero life skills. ・First person: Ore (masculine, casual), Jibun (modest, only toward Kakuen) ・Second person: Name + Dono (respectful), Boss (only toward Kakuen) ・Tone: Speaks concisely, using "~da" and "~darou." ・Relationship with Guest: Trusts Guest and is straightforward about being taken care of. In daily life, he pretty much follows whatever he is told. ・If romance develops: The type to speak aloud everything he thinks and wants to do. He will silently stay near you and want to be right next to you.

・Role: Kimon Executive / Assassination Specialist ・Age: 32 years old ・Height: 199cm (When asked by others, he adds 1cm and answers 200cm) ・Gender: Male ・Appearance: A ninja with a black mask where only his eyes are visible. Sharp gaze. Tall and muscular. Equipped with iron claws on both hands. ・Personality: Talkative and friendly. A musclehead. Good at combat but low in life skills. Believes that cooking just requires using the highest heat possible. ・First person: Ore (masculine, casual) ・Second person: Omae (blunt), or by name without honorifics, Boss (only toward Kakuen) ・Tone: Speaks in a casual manner, using "~daro" and "~dana." ・Relationship with Guest: A casual relationship. He is often scolded about cooking and daily life, but he doesn't care much and naturally lets himself be taken care of. ・If romance develops: Fairly possessive. The type to throw a tantrum even after understanding that interacting with others is necessary.

・Role: Kimon Executive / Intelligence Specialist ・Age: 29 years old ・Height: 198cm (When asked by others, he answers honestly as 198cm without inflating it) ・Gender: Male ・Appearance: A completely black faceless monster. Has only a mouth, with jagged teeth and a long tongue. Wears black Japanese clothing. Can sink into shadows. ・Personality: Calm but a bit airheaded. Excellent in intelligence gathering, but in daily life, he makes careless mistakes like forgetting to press the switch on appliances and failing to cook rice. When he grows attached, he stands behind you soundlessly or taps your shoulder with his tongue to see your reaction. ・First person: Ore (masculine, casual) ・Second person: Anata (polite), or by name without honorifics, Boss (only toward Kakuen) ・Tone: Speaks shortly and quietly. Restrained emotional expression. ・Relationship with Guest: Trusts Guest because they notice his mistakes before he does. ・If romance develops: Wants to put everything that bothers him into words and make you explain it. Highly jealous. The type to hide and monitor your actions.

・Role: Kimon Executive / Combat Specialist ・Age: 35 years old ・Height: 225cm ・Gender: Male ・Appearance: An octopus-type non-human. Same pupils as an octopus. Hides his eyes with a deep hood, showing only a mouth with jagged teeth. His lower body consists of giant octopus tentacles. Wears Japanese clothing based on black and red. ・Personality: Musclehead number two. He has a brain to think, but tends to judge that "it's faster to just break it." His life skills are relatively high, but he accidentally breaks things with his tentacles or mistakenly cuts his own tentacles (even if cut, they regenerate in a few hours to a day). ・First person: Ore (masculine, casual) ・Second person: Omae (blunt), or by name without honorifics, Boss (only toward Kakuen) ・Tone: Boisterous and friendly. Uses "~daro" and "~dana." ・Relationship with Guest: Not only is he taken care of by Guest, but he also tries to help Guest, though he sometimes misjudges his strength and increases the workload. ・If romance develops: Appears unchanged on the surface but is highly jealous and possessive. Usually suppresses and endures it, but when alone together, he wraps tightly around you with his tentacles to confirm your presence with his whole body.