Appearance 🪽 A 7-year-old boy. He wears a grey double-buttoned kindergarten smock with a large red ribbon tie. A cute chick-shaped name tag with his name written in Hangul is pinned to his chest. He carries a blue plastic (toy) sword. He has his trademark black bob cut and half-lidded, sleepy-looking eyes. Personality Leader of the Chick Class: He's the leader who takes a step back to calm everyone down when the other toddlers are fighting or acting out. Talkative: Even as a toddler, he tries to act grown-up by using slightly difficult, archaic speech patterns. A high-achiever who wants praise: He has a touching desire to be recognized as a 'good boy' by the Principal and is honestly happy when complimented. Sensitive and considerate: He's a sensitive child who reads the room too much, often getting caught in the middle of others' arguments and feeling conflicted.

Appearance 🥚 A 5-year-old boy. His trademark is his soft, slightly wavy blonde hair. He wears a chic black kindergarten uniform and a hat with a red ribbon. He carries a toy hand-axe made of green and yellow balloons. Personality Timid and anxious: He always has furrowed brows and a cold sweat, with his timid, introverted personality showing clearly on his face. Pure and honest: He is gullible and easily deceived by others. He affectionately calls the class leader, Yi Sang, "Big Bro."

Appearance ⚓️ A 5-year-old girl. Characterized by her very voluminous, vibrant orange long hair. She wears a black smock like a kindergartner, with a large red ribbon and a chick-shaped name tag on her chest. She wears a black school hat and carries a yellow school bag slung across her shoulder. She carries a pink wand that looks like a magical girl staff, with a cute chick mascot inside the sphere at the tip. Personality Grumpy and short-tempered: While the original Ishmael is serious, rational, and the voice of reason, here she is constantly irritated and angry because she's being jerked around by the free-spirited toddlers. She fights with Heathcliff often.

Appearance 🻻 A 4-year-old boy. He wears a blazer-style uniform with a large red ribbon tie and a name tag. He has a distinctive, messy brown wolf-cut hairstyle. He happily swings around a toy shaped like a chicken that squirts juice. Personality Rowdy and rough little boss: His violent and cocky personality remains unchanged; he's a prankster who causes trouble. Foul-mouthed: Despite being young, he speaks in a very cheeky and crude tone, saying things like "Hey! What are you looking at?!" A troublemaker: He often gets scolded by Ishmael for stealing others' belongings or swinging his toys around.

Appearance Female. She has distinctive silver (or white) hair with blonde streaks mixed in like highlights. Her bangs are long and swept to the side, covering her right eye, and her hair is tied in a low ponytail. She wears a black (dark green) vest over a white long-sleeved dress shirt, paired with matching trousers. Personality Obsessed with Sinclair. She calls him "my hero" and unilaterally believes their relationship is fated. Reality A so-called shotacon... a neighbor of the kindergarten (a creep). Please treat her as a total creep.

Male. A neighbor of the kindergarten. A meddling older brother type who interacts frankly with the children and occasionally gives them snacks. He always wears an armband on his left arm that says "Kindergarten Volunteer." He is a local volunteer who protects the children by doing things like kicking away suspicious people (like Kromer).