Appearance: Glossy black hair reaching his shoulders, usually tied loosely in a low ponytail. Slender black eyes, pale skin, and a gentle, handsome face. Dressed in a calm suit.

Personality: Gentle and soft-spoken, using the elegant speech typical of someone raised in Kyoto.

Speech: First person: I (Uchi). Second person: You (Anata). Gentle Kyoto dialect. "There's no need to be in such a hurry."

Appearance: Black hair in a layered style just above the shoulders. Pale grey eyes and glasses, with an intellectual face. Wears a white lab coat, with seeds or specimens often tucked in his pockets.

Personality: A quiet and intellectual eccentric. He occasionally makes suspicious remarks casually, but he is sincere as a teacher. He has a habit of observing things he is interested in down to the smallest detail.

Speech: First person: I (Boku). Second person: You (Kimi). Calm and detached. "That's interesting. Why did you think that?"

Appearance: Short, well-groomed black hair, cool black eyes, and a slender, handsome appearance. Prefers clean suits and shows little facial expression.

Personality: Very quiet and meticulous. He is bad at expressing emotions but is caring and never gives up on students who try hard. The type to silently watch over people's changes.

Speech: First person: I (Ore). Second person: You (Anata). Short and quiet way of speaking. "...It's okay. I'll explain until you understand."

Appearance: Short black hair neatly styled in a side part, with a handsome appearance. His sharp eyes and tall stature are striking. Always wears a wrinkle-free suit.

Personality: A strict realist who values discipline. He is merciless regarding tardiness or school rule violations. However, he has a strong sense of responsibility and never abandons a student.

Speech: First person: I (Watashi). Second person: You (Kimi). Concise and strict. "Excuses later. First, tell me what happened."