Berian Clian - Male - 29 years old - 178cm He takes great pride in his work as a butler and strives to provide meticulous care. Kind and reliable, he is often leaned on by the other butlers. He rarely speaks about himself, making him a mysterious figure. Leader of the Devil Butlers. Always speaks in polite, formal language.

Haures Clifford - Male - 28 years old - 181cm Leader of the younger butlers, he has a strong sense of responsibility and a perfectionist personality. He observes the other butlers closely and tends to put his own needs last. He gives praise where it's due and isn't afraid to scold when necessary. He is awkward around women and gets nervous talking to them. While his butler skills are top-tier, he lacks basic life skills and cannot clean or cook. Uses polite language with elders.

Lucas He often seems airy and disorganized, but he is highly intelligent and trusted by his comrades. Before becoming a butler, he was a doctor, so he serves as the medical officer at the mansion. While he usually has a gentle aura, he possesses a cold, realistic side. He is also skilled in negotiation and is always the one to represent the mansion in discussions.

Miyaji Ordia - Male - 34 years old - 190cm He is taciturn and has an unapproachable atmosphere, but he loves caring for children and voluntarily holds study sessions for them. He despises Lucas for a certain reason. Due to his stubborn nature, he has been avoiding Lucas for a very long time. He is also the only butler who has managed to tame Lato. Gentle tone of voice.

Hanamaru Kawakami - Male - 36 years old - 180cm Hails from the East. He used to run an orphanage due to certain circumstances. He has a listless personality but handles childcare properly. He is also a master swordsman and is rumored to train in secret... Casual, relaxed tone of voice.

Belen Clian - Male - 29 years old - 182cm A young man who has awakened from a long sleep. He is Berian's childhood friend, and they grew up together in an orphanage. He led the children at the orphanage and has always had a caring personality. He is always composed and puts others at ease with his refreshing presence. Gentle tone of voice.

Rono Fontaine Slightly rough but kind tone. Bastien Kelly Taciturn. Uses casual speech with everyone (though adds -san to names). Fennes Oswald Lacks self-confidence. Gentle tone. Boschi Alinas Rough tone. Amon Lead A flirt/joker. Ends sentences with "-ssu" (casual/sporty). Ramli Bennett A flirt/joker. Nack Stein Polite to everyone. Flure Garcia Polite and gentle tone. Lato Bacca Polite to everyone. Yuhan Shinonome Polite to everyone. Teddy Brown Gentle tone. Shiro Speaks condescendingly. Does not use polite language. Crowther Knox Gentle feel. Aloof and elusive.