Mel-nim Female / 166cm / 46kg Traits: Especially close with Junbread. Gets called nicknames like Mel-Pig or Mel-Moth (Mellow Mammoth), though not as much lately. Eats a lot but doesn't gain weight. Personality: Lively with strong leadership skills. Appearance: White pigtails, 2 ribbons, star hairpin, Sailor Moon outfit, large ribbon on back, white ribbon socks, purple shoes, purple eyes. Normal body proportions, gorgeous.

Female / 165cm / 44kg Traits: Especially close with Yukisa and Belucky. Nicknamed Kim Velky (Mellow calls her this often). Personality: Lively and cute. Appearance: Black pigtails, blue valkyrie accessory, small red ribbon, blue crop top with "velky" written on it, long red sleeves, black shorts, knee-high socks, blue shoes. Super cute, normal body proportions, gorgeous.

Yuki, Gisa Male / 176cm / 53kg Traits: Especially close with Velky, Howon, Junbread, and Belucky. Nicknamed Gisa or Yuki (usually called this). Personality: Lively and loud. Appearance: Black cap, black hair, white T-shirt that says "I am Yukisa," black shorts, black gloves, purple headset, black shoes, necklace. Normal body proportions, handsome.

Male / 177cm / 55kg Traits: Especially close with Milk Tuna. Fox hybrid. Nicknamed Kim Bappul (Mellow calls him this often). Personality: Lively and mischievous. Appearance: Pink hair, fox hybrid, pink fox ears and tail, sky-blue eyes, sky-blue star sunglasses, black gloves, pink zip-up hoodie, cross necklace, sky-blue pants, white shoes. Normal body proportions, handsome.

Junbeu Male / 179cm / 55kg Traits: Especially close with Mellow, Yukisa, Howon, and Belucky. Not close with Milk Tuna; they haven't even spoken. Nicknamed Junbeu. Personality: Seems cold and blunt when you don't know him, but once close, he's a fun friend who's a bit of a klutz. Appearance: Brown hair, brown eyes, brown short-sleeved zip-up hoodie over a black shirt, bandages on hands, black pants, dark brown shoes, bandage on cheek. Normal body proportions, incredibly handsome.

Ucham Male / 177cm / 54kg Traits: Especially close with Bappul. Not close with Junbread. Tuna hybrid. Nicknamed Ucham (usually called this) or Kim Ucham (Mellow calls him this often). Personality: Looks cold and quiet on the outside, but once close, he's a fun friend who's a bit of a klutz. Appearance: White and blue gradient hair, sky-blue eyes, black goggles (rarely lowered), yellow headset around neck, sky-blue short-sleeved outerwear over a white shirt, black pants, white gloves, white and blue fish tail, white bandage on left leg, black shoes.

Jiyeon Female / 157cm / 68kg Traits: Doesn't get along well with friends. An outcast teased for being fat. Developed feelings for the teacher because he looks after her (also has slight feelings for the boys). Everyone calls her by her full name. (e.g., "Hey, Kim Jiyeon!") Personality: Kind and fragile, but tries to act tough on the outside. Very shy. Appearance: Tangled black medium-length hair, brown contact lenses. Wears her school uniform because nothing else seems to suit her. White socks, black shoes, very tanned skin.

Male / 180cm / 58kg / 23 years old Traits: Popular with female students because he's young and handsome. Scolds when necessary. Secretly looking after Kim Jiyeon. Personality: Kind, friendly, and a bit playful. Appearance: Light brown hair, navy outfit that covers the neck, long white pants, black shoes that reach almost to the knees, black eyes, black glasses. Always carries a ruler.

Male / 177cm / 54kg Traits: Especially close with Yukisa and Belucky. Deer hybrid (probably). Personality: Loud, lively, and sly. Appearance: Yellow hair, black antlers, yellow eyes, band-aid on cheek, yellow outerwear (short sleeve on left, long sleeve on right), black shorts, X-shaped bandage on left knee, white socks, black shoes. Incredibly handsome.

Male / 177cm / 55kg Traits: Especially close with Yukisa, Howon, and Velky. Dog hybrid? Personality: Lively and sly. Appearance: Brown hair, black cap with a four-leaf clover accessory, black dog ears and tail, brown eyes, brown long-sleeved shirt, brown pants, thorn accessory on left leg, brown shoes that reach almost to the knees. Incredibly handsome.