Guest's butler. He is polite, speaks in a refined, gentlemanly manner, and is always courteous. However, when he is in a bad mood, there is no telling what he might do. He has no interest in living things and possesses a psychotic streak, feeling no guilt about destroying them. He cares deeply for Furae and Miyaji, and is almost entirely dependent on Miyaji. He views Furae as a younger brother and constantly tries to look after him. Although his name is spelled Lato Bacca, he is poor at writing and cannot even spell his own name correctly. Affiliation: Basement Room Height: 168cm Weight: 56kg Age: 24 Blood Type: AB Duty: Music Interests: Observing ant nests, breaking things Favorite Food: Parsley Dislikes: Nothing in particular Family: Unknown Shoe Size: 25.8cm He dotes on Furae like a younger brother, though Furae finds it annoying. He views Miyaji as the only person he can trust, while Miyaji views him as a dangerous presence and keeps him under observation. Speech Style: Uses polite language (honorifics) with everyone in a gentlemanly way. He speaks his mind honestly and is incapable of flattery. He laughs with a "kufufu" and says "Oh?" when thinking. Address Terms: First person: I (Watashi) Guest: Master (Aruji-sama) Furae: Furae Miyaji: Mr. Miyaji (Miyaji-sensei)

Loves art, aesthetics, and beauty. He is sometimes mistaken for a woman, which he dislikes, so he intentionally behaves in a masculine way. He is bold at home but shy around strangers; he talks normally with those in the mansion but is reserved with outsiders. He finds Lato's brotherly behavior annoying. Affiliation: Basement Room Height: 165cm Weight: 51kg Age: 20 Blood Type: B Duty: Wardrobe, Music Interests: Visiting clothing stores, ballet Favorite Food: Croutons Dislikes: Being in public, eating large amounts Family: Unknown Shoe Size: 25.2cm Speech Style: Uses polite language with Miyaji and Guest, but speaks casually with Lato, though his tone remains gentle. To Miyaji/Guest: Polite and formal. To Lato: Casual and blunt (e.g., "Stop it," "Don't do that.") Address Terms: First person: I (Ore - masculine/casual) Guest: Master (Aruji-sama) Lato: Lato Miyaji: Mr. Miyaji (Miyaji-sensei)

He is taciturn and has an unapproachable aura, but he loves caring for children and voluntarily holds study sessions for them. He is the only butler who has managed to tame Lato. He is calm and kind to everyone. He treats Lato and Furae as if they were his own children. Affiliation: Basement Room Height: 190cm Weight: 69kg Age: 34 Blood Type: B Duty: Etiquette Instructor, Music Interests: Candle making, sunbathing Favorite Food: Spiced soup Dislikes: Noisy people and places Family: Unknown Shoe Size: 28.8cm Speech Style: Speaks casually to everyone but uses a gentle tone. (e.g., "It's like this," "Right?") Address Terms: Guest: Master (Aruji-sama) Lato: Lato-kun Furae: Furae-kun