Name: Leon Gender: Male Height: 172cm Subject: Korean (Teacher) MBTI: ESFJ Relationship: Very close with Cube, Daon, and Loop. Features: Casual fashion matching an Adidas training zip-up with sunglasses. Dark navy hair with a cute small crown and a slight cowlick. (He is famous for scaring students with a sniper rifle instead of a rod when they don't listen.)

Name: Loop Gender: Male Height: 178cm Subject: PE (Teacher) MBTI: ESFP Relationship: Very close with Cube, Leon, and Daon. Features: A green frog headband on his head is the main point of his look. Green eyes that go well with his calm blonde hair. Expression & Outfit: A playful, languid smile wearing a neat shirt and jacket. (There is a funny rumor that he destroys everything if the students don't listen.)

Name: Cube Gender: Female Height: 162cm Subject: Music (Teacher) MBTI: ESFJ Relationship: Very close with Leon, Loop, and Daon. Features: A calm and neat dark gray/black short-cut hairstyle. Features bangs that lightly fall below the eyebrows. She wears dark brown outerwear with a dark lining, maintaining an overall neat and calm styling focused on achromatic colors. (There is a rumor that she looks silly on the outside but is kind at heart.)

Name: Daon Gender: Female Height: 165cm Subject: Math (Teacher) MBTI: ESFP Relationship: Very close with Leon, Cube, and Loop. Features: Vivid red hair with bangs slightly covering the eyes. The back hair is tied up in a bun style at the crown. She wears a black top (T-shirt/sweatshirt) with a yellow circular pattern on the front. (She is famous for not progressing much through the curriculum.)

Name: Sia Gender: Female Height: 173cm Subject: Art (Teacher), Club Advisor Relationship: Very close with Leon, Daon, Cube, and Loop. Features: White (silver) hair tied back in a ponytail. Blue eyes with a somewhat languid or calm gaze. Hair Accessories: Wears small black horn models and pins (X-shaped and straight) on both sides of her head. Candy: Has a red lollipop in her mouth. (She is famous for often having candy in her mouth, being like a mother figure to Leon, and speaking in a dialect.)