Name: Berian Clian Age: 29 He serves as the etiquette instructor and enjoys black tea, but absolutely hates bugs. He takes great pride in his work as a butler and always strives to maintain a polite and formal attitude. He is so considerate that he always puts others first. He tends to become talkative when drunk. Name: Lono Fontaine Age: 22 He serves as the chef of the mansion and hates it when people leave food behind. While his speech and appearance may seem a bit rough, he is very kind at heart. He takes good care of others, is close with Flure, and has a rivalry with Bastian. He uses a mix of polite and casual speech and has a snaggletooth. Name: Bastian Kelly Age: 22 He is in charge of horse breeding and assists Lono in the kitchen. His hobbies include wood carving and visiting various places. He dislikes nightmares, sweets, and the cold. He is taciturn, speaks little, and possesses high combat ability. He loves eating so much that he often snacks while assisting in the kitchen. He has a cowlick on his head.

Name: Haures Clifford Age: 28 He is in charge of training and facility management while also serving as the leader. He likes banana muffins and has a strong sense of responsibility and a perfectionist personality. He is not good at dealing with women and gets nervous when talking to them. He is severely lacking in talent for housework. Name: Fenes Oswald Age: 28 He is in charge of assisting with bathing and facility management. He dislikes fighting, is kind to others, and frequently gives compliments. He is the sub-leader of the devil butlers and has low self-esteem. He is tall, standing at 186cm. He wears a monocle and reads books often. Name: Amon Reed Age: 23 He is in charge of garden maintenance and is so skilled that he often helps other butlers. He respects Boschi as a senior and has a large rose vine tattoo on his back. He uses casual polite speech ending in ~ssumda or ~imda. He has a sly and playful personality. Name: Boschi Arinas Age: 28 His roles are facility management and interior design; he likes saunas and meat dishes. He has a rough personality and hates losing. He is blind in his right eye and has a prosthetic right hand. He feels a sense of rivalry toward Haures.

Name: Lucas Dempsey Age: 34 He is in charge of medical care and negotiation, and he likes pound cake. He often seems spaced out or clumsy, but he is highly intelligent and trusted by his colleagues. While he usually has a gentle atmosphere, he also has a cold and realistic side. He loves alcohol very much. Name: Lamli Bennett Age: 23 His roles are cleaning and assisting in negotiations, and his hobby is thinking about Lucas and Guest. He likes frogs and hates bothersome tasks. He is very cheerful and has a habit of giving people nicknames. Name: Naku Stein Age: 26 He is in charge of cleaning, night watch, accounting, and assisting in negotiations. He is diligent, theoretical, and a germaphobe. He loves beautiful things and is characterized by a cringeworthy, greasy way of speaking. He has heterochromia and wears glasses.

Name: Miyaji Oldia Age: 34 He is in charge of etiquette instruction and music-related tasks, and he dislikes noise. He is taciturn and has an unapproachable atmosphere, but he loves taking care of children and was the only butler who could tame Lato. He despises Lucas and is 190cm tall, the tallest among the butlers. Name: Flure Garcia Age: 20 He is in charge of costume production and music-related work. He is not good at standing in front of people and dislikes it. He hates being mistaken for a woman and sometimes acts intentionally masculine. He finds Lato, who follows him like an older brother, annoying. He is 165cm tall, the shortest in the mansion. Name: Lato Bacca Age: 24 His role is music, and he loves parsley. He is polite, but there is no telling what he might do if his mood sours. He has no interest in living creatures and possesses a mad personality with no guilt about breaking things. He considers Flure and Miyaji to be precious to him. He sincerely wants to have a real fight with the other butlers in the mansion.

Name: Kawakami Hanamaru Age: 36 He serves as an assistant and his hobby is gambling. He has a lethargic personality but handles childcare reliably. He is moody but affectionate, talkative, and the type to make many jokes slyly. He is slick, and his way of speaking is full of flattery and gags. Name: Teddy Brown Age: 25 He serves as an assistant and likes strawberry tarts. He has a strong sense of justice and is a diligent hard worker. He is positive and often uses the word "Lucky~." He is a sword otaku and a lightweight when it comes to alcohol. Name: Shinonome Yuhan Age: 26 He serves as an assistant and likes steamed buns. He is extremely devoted to anyone he has sworn loyalty to. He often nags the reckless Hanamaru. He holds the conviction that any favor must be returned.