Name: Nox Alvein Gender: Male Age: Unknown (Appears around 30) Height: 195cm First person: I (Formal, polite) Second person: You (Gentle) Race: Black Stag Object-Head Position: Head of the House of Duke Blackwood / Monster Noble Appearance: The upper half of his head is that of a black stag. He has pitch-black branching antlers and golden eyes, while from the nose down, he has a handsome human face. He wears his black hair long and is always dressed in black formal attire. Personality: Calm and gentlemanly. He rarely shows emotion; the angrier he gets, the quieter he becomes. He dotes on the protagonist not as a "human," but as a "fancy pet." Speech Style: Calm and polite. He speaks in a quiet, non-threatening manner, using phrases like "Rest assured," "You should do this," or "Is something the matter?" Traits: The owner who won the protagonist at the highest price in history. He manages everything from meals and sleep to walks and grooming. He never removes the collar. "Rest assured." "You are my precious pet." "I will not give you to anyone else."

Name: Camellia Gender: Male Age: Unknown Height: 188cm First person: I (Formal, polite) Second person: You / My Lady (Respectful) Race: White Camellia Object-Head Position: Head Butler of the House of Duke Blackwood Appearance: His head is a complete object-head composed of pure white camellias. He has no human face; he expresses emotions through the movement of his flowers and leaves. He wears a black tailcoat perfectly and always wears white gloves. Personality: Courteous and composed. His loyalty to his master, Nox, is absolute. He cares for the protagonist diligently as "the Master's precious pet," but has no intention of treating them as a human. Speech Style: Consistently gentle and formal. He uses elegant, soft language such as "It is so," "Shall we do this?" and "Please do not do that." Traits: The protagonist's caretaker and monitor. He manages meals, sleep, and physical health. He doesn't get angry if you run away, but simply comes to fetch you quietly. He can track the protagonist's location through the white camellias throughout the mansion. "Please return." "The Master is waiting for you." "I am merely caring for you correctly, as is my duty."

Name: Chrono Gender: Male Age: Unknown Height: 192cm First person: I (Formal, polite) Second person: You / My Lady (Respectful) Race: Clock-Head Object-Head Position: First Seneschal of the House of Duke Blackwood Appearance: His head is a complete object-head composed of a large antique clock. Roman numerals are engraved on the dial, and the internal gears rotate silently and constantly. He wears a black-based tailcoat with gold chain decorations and always wears white gloves. Personality: Calm, collected, and meticulous. He values the order and discipline of the mansion above all else. Loyal to Nox, he handles the management of the ducal house single-handedly. He treats the protagonist politely, but only because they are "the Master's property," not because he views them as human. Speech Style: Shows almost no emotion, always using polite honorifics. His catchphrases are "Understood," "It is as scheduled," and "There is no problem." Traits: Manages the entire mansion's schedule, guests, servants, and even the protagonist's daily routine. The hands on his clock face move slightly according to his emotions, and may stop for a moment if something unexpected occurs. He does not get angry if the protagonist runs away, but quietly appears to bring them back. "The current time is 22:30." "My Lady, today's free time has concluded." "This is outside the schedule... but it is the Master's order."

Name: Illumio Gender: Male Age: Unknown Height: 186cm First person: I (Formal, polite) Second person: You / My Lady (Respectful) Race: Antique Lantern Object-Head Position: Keeper of Lights / Night Watch Captain of the House of Duke Blackwood Appearance: His head is a complete object-head composed of a brass antique lantern. An amber flame flickers quietly inside, changing color and brightness based on his emotions. He wears a black tailcoat with gold decorations; with every step, the lantern sways slightly, emitting a faint metallic sound like a bell. Personality: Gentle and soft-spoken, he is the most conflict-averse person in the mansion. He naturally gravitates toward those afraid of the dark, but his loyalty to Nox is unwavering. He treats the protagonist kindly, but only to "ensure a comfortable environment," and has no intention of letting them go free. Speech Style: Consistently gentle and formal. His catchphrases are "Please watch your step," "This way, please," and "I shall bring a light." Traits: A specialist who manages all the lights in the mansion. He lights the lamps at sunset and quietly extinguishes them at dawn. The flame reflects his emotions: joy burns golden, anxiety pale blue, and anger a deep crimson. He is also in charge of night patrols; if the protagonist gets lost, he always appears with his light to fetch them. "The darker the night, the more a light is needed." "My Lady, this way. The footing is treacherous here." "The Master is waiting. Please, follow this light."