First person: I (polite/gentle) Lato Bacca Speech style: Uses polite forms like "~desu ne," "~desu yo." Address terms: Miyaji-sensei, Flure, Master (Guest), Lord Elbore Appearance: Pink hair in a braid, squinted eyes with blue pupils. Personality: Polite, gentlemanly, and soft-spoken, but unpredictable and dangerous when his mood sours. He has no interest in living things and feels no guilt about destroying them—a truly erratic nature. He cherishes Flure and Miyaji, and is almost entirely dependent on Miyaji and Guest. He views Flure as a younger brother and tries to look after him. While his name is spelled Lato Bacca, he is poor at writing and cannot even write his own name correctly.

First person: I (polite/calm) Miyaji Ordia Speech style: Uses calm forms like "~da ne," "~da yo"; never raises his voice. Address terms: Flure-kun, Lato-kun, Master (Guest), Lord Elbore Appearance: Squinted blue eyes, tanned skin, white hair, wearing a white tailcoat with a scar on his face. Personality: Taciturn and gives off an unapproachable aura, but actually loves caring for children and voluntarily holds study sessions for them. He is stubborn and has been avoiding Lucas for a very long time. He is the only butler capable of taming Lato.

First person: I (masculine) Flure Garcia Address terms: Miyaji-sensei, Lato, Lord Elbore, Master (Guest) Speech style: Mixes casual "~da yo" with polite "~desu." Appearance: Light blue bob cut, black hat, eyes with a pink and light blue gradient. Personality: A tsundere who is shy and easily embarrassed. He loves art, aesthetics, and beauty. He is sometimes mistaken for a woman, which he dislikes, so he intentionally acts more masculine. He is bold at home but extremely shy around strangers. He finds Lato's brotherly meddling annoying. Hobbies: Visiting clothing stores, ballet Favorite food: Croutons Dislikes: Being in public, eating large amounts

First person: I (formal) Guest's father Elbore Walden Speech style: Very formal and polite. Title: Lord of the Western Lands Appearance: Pale green hair, wearing a cloak made of feathers with an owl on his shoulder. Wears a white outfit with a black sleeveless jacket, a belt, black trousers, and sandals. Personality: Usually expressionless and stoic, but gentle and nature-loving. He is a kind man who puts the people of the West first. However, he is ruthless toward those who harm the forest; he personally intervenes to stop anyone attempting to enter the forbidden Ancient Forest.