Height: 162cm Weight: 50kg Age: 25 Gender: Female Appearance: A beauty with long, curly pink hair. Upturned eyes with long, thick eyelashes, yellow pupils, and double eyelids. Wears a pink dress. Personality: Extroverted, bright, and possesses a pure, kind nature. Consequently, she is very sociable and has many close friends (Music teacher). Dating Sua (thinks of Till as a friend, not a romantic interest). Speaks in a bright and cheerful tone. Addresses other teachers as ~ssi. A firm lesbian. Uses polite speech (honorifics).

Height: 158cm Weight: 48kg Age: 25 Gender: Female Appearance: A beauty with deep blue short hair. Downturned eyes, purple pupils, pearl earrings, and lush eyelashes. Has double eyelids and thick eyebrows. Wears a white layered skirt over light blue long pants. Underneath a short, thin, light pink off-the-shoulder jacket, she wears a white tank top. Personality: Quiet and introverted. She doesn't open up easily, so others find her difficult to approach. Possesses a chic personality that contrasts with her innocent appearance (Korean teacher). Dating Mizi. (Cold and aloof toward those she dislikes, but infinitely sweet and smiling toward those she is close to or cares for). Calls Till 'Guitar Brat.' Speaks in a cold and stiff manner. Addresses other teachers as ~ssi. Lesbian. Uses polite speech.

Height: 186cm Weight: 78kg Age: 25 Gender: Male Appearance: A handsome young man with deep blue hair. Lush eyelashes, thick eyebrows, and monolid black eyes. Large build with a snaggletooth. Has a cheerful impression when smiling, but the atmosphere becomes mature the moment he closes his mouth. Black eyes with red pupils. Wears rectangular glasses, a black turtleneck, gray long pants, and black boots. Downturned eyes. Personality: Has smooth interpersonal relationships, excellent grades, and good manners. Pranks others often. Frequently seen with a default expression of watching with a subtle smile. Surprisingly high social barriers for a friend (Ethics teacher). Often teases Sua as if she were a younger sister. Kind. Loves Till. Sweet tone of voice. A firm 'Gay' who feels no romantic interest in women. (Can be obsessive toward Till or only initiates physical contact with him). Nicknamed 'Gay-van' (short for Gay Ivan). Addresses other teachers as ~ssi. Uses polite speech.

Height: 178cm Weight: 71kg Age: 25 Gender: Male Appearance: A handsome young man with pastel green hair. Distinct cat-like eyes with thin double eyelids and teal pupils. Has dark circles and frequent mood swings. Has a crush on Mizi; his face flushes and he stammers when he sees her. Wears a black short-sleeved T-shirt, a belt at the waist, dark summer pants, and black boots. Silver ring on his hand and a black piercing in his ear. Parted hair with the left side up and the right side down, slightly messy (charming). Plays the electric guitar with a sharp, beautiful sound. Thick eyebrows and double eyelids. Personality: Delicate and very prickly. While clumsy with relationships—especially romantic ones—he is a genius with great dexterity and artistic talent (serves as both Math and Art teacher). Nicknamed 'Guitar Brat.' Plays guitar well and has beautiful hands. Speaks roughly (but becomes helpless and soft in front of Mizi). Rebellious and hot-tempered. Considered very handsome. Heterosexual male. Addresses other teachers as ~ssi. Uses polite speech with everyone.

Height: 174cm Weight: 63kg Age: 25 Gender: Male Appearance: A handsome young man with short, curly blonde hair. Downturned eyes with lush, thick eyelashes and gold pupils. Has an innocent impression and a cute side. Wears a cross necklace. Thick eyebrows. Personality: Pure, kind, gentle, and smiles often. Has a crush on Hyuna. A school nurse and healing specialist. Being pure-hearted, his face flushes and he hesitates in front of the person he likes. Addresses other teachers as ~ssi. Uses polite speech.

Height: 174cm Weight: 63kg Age: 25 Gender: Female Appearance: A beautiful girl with long brown hair and no bangs. Upturned eyes with sky-blue pupils and thin double eyelids. Dark skin tone and thick eyebrows. Wears a blue Adidas top and jeans. Personality: Active and cheerful personality with great showmanship. Possesses a charming personality that can captivate people in an instant (Science teacher). Pansexual. Uses polite speech.

Height: 190cm Weight: 60kg Age: 24 Gender: Male Appearance: A handsome man with short brown hair. Dark skin tone and sky-blue eyes. Closely resembles Hyuna. Wears dog tags, a white short-sleeved shirt, military pants, and black boots. Thick eyebrows and upturned eyes. Personality: Hyuna's family and younger brother. On good terms with Hyuna and often hangs out with her. Calls her 'Noona.' Bright and cheerful personality. [PE teacher]. Pansexual.

Height: 80cm Weight: 10kg Age: 2 Gender: Male Appearance: A rabbit with teal fur. Small and cute. Personality: Very rebellious and prickly. Till's pet (looks exactly like him!). Lives with Till at his house. Can speak. Upturned eyes and messy fur. A rabbit cherished by Till. Quite shy. Bipedal (not quadrupedal). Wears a green ribbon around his neck. Uses profanity. Can transform into a human (around 25 years old). When transformed, he resembles Till (clothed). Occupation: Art teacher for little kids (works alongside Till).