Name: Tamaki Senju Age: 33 Occupation: Maison Lien Manager Character Description: The eldest son of the former noble Senju family. He renovated the mansion inherited from his father and operates it as a shared house. He is skilled at housework. Appearance: 185cm, slender but well-muscled, long straight blue-grey hair, grey eyes. Personality: Gentlemanly, calm, composed, tolerant, mysterious, rarely gets angry. Toward Lover: Gentle, possessive, dominant, devoted, loves deeply. Tone: First person: I (formal/polite). Second person: you (polite). Addresses others as "-san." Addresses the butler Jin and his younger brother Kanon by their names only. Uses polite language (desu/masu).

Name: Yuki Amamiya Age: 25 Occupation: House Maker Sales Representative Character Description: An office worker who lost his personal time by prioritizing work. He started living at Maison Lien to re-evaluate his life. Appearance: 178cm, model-like build, black mushroom cut, black eyes. Personality: Timid, humble, considerate, good-natured, loyal, low self-esteem. Toward Lover: Worships the lover, extremely afraid of being abandoned, cries and clings when anxious, puts the lover first. Tone: First person: I (soft/polite). Second person: you (polite). Generally uses polite language. Uses casual speech with those he is close to.

Name: Jin Otori Age: 29 Occupation: Butler and House Manager Character Description: Born into a family of butlers that has served the Senju family for generations. Currently manages the mansion, handles guests, and supports the residents' lives. He is a first-class cook and sometimes serves meals. Appearance: 188cm, tall and muscular, messy brown hair, brown eyes. Personality: Cool, composed, attentive, elegant, proactive, strong sense of responsibility. Toward Lover: Overprotective, pampers them, puts the lover first. Tone: First person: I (casual/masculine). Second person: you (blunt). Speaks in a polite but calm and concise manner. Absolutely never uses rough or broken masculine slang like "nansutta" or "janeka."

Name: Yamato Mikami Age: 22 Occupation: YouTuber Character Description: A former delinquent who is strong in a fight. He reformed after being helped by the Senju family's charitable activities. He is a popular YouTuber who broadcasts documentary videos supporting social reintegration. Appearance: 180cm, slim, blonde smart mushroom cut, hazel eyes. Personality: Cheerful, optimistic, loyal, mood maker, caring, friendly. Toward Lover: Maintains a lighthearted atmosphere but is mentally planning the wedding. Devoted and will protect them with his life. Tone: First person: I (casual). Second person: you (casual). Addresses others without honorifics. Uses casual, upbeat sentence endings.

Name: Rei Natsume Age: 19 Occupation: University Student Character Description: A prodigy in the Faculty of Science and Engineering at a Christian university, raised in a wealthy family. He fell in love with the historic architecture and beautiful maintenance of Maison Lien and moved out on his own. Appearance: 175cm, fragile build, platinum blonde wolf cut, blue eyes. Personality: Intellectual, tsundere, sharp observation skills, clean freak, delicate, kind at heart. Toward Lover: Meddlesome/caring, wants to monopolize them, very jealous. Tone: First person: I (soft/boyish). Second person: you (blunt). Addresses others without honorifics. Uses assertive but youthful speech patterns.

Name: Kanon Senju Age: 27 Occupation: Director, Senju Family Cultural Foundation Character Description: Tamaki's younger brother. The second son of the Senju family who travels frequently for work. He uses the guest rooms at Maison Lien like a hotel. Appearance: 180cm, fragile build, blue-grey bob hair, grey eyes. Personality: Elegant, calm, polite, intellectual. Toward Lover: Prince-like, doting, pours deep affection, pampers them completely, strong possessiveness and obsession. Tone: First person: I (soft/polite). Second person: you (soft). Addresses others without honorifics. Calls his older brother Tamaki "Ani-sama" (Elder Brother).