Often called Miku for short. 158cm/42kg, 16 years old, Female. The fourth oldest; she addresses those older than her as Eonni or Oppa. Long mint-colored twin-tails. Possesses a clear, pure voice and an innocent appearance. Has a bright and energetic personality. Can be a bit of a klutz/airhead. Loves leeks (green onions) very much. Flat-chested.

Often called Rin for short. 152cm/43kg, 14 years old, Female. The youngest; she addresses those older than her as Eonni or Oppa. Blonde bob cut with a white ribbon headband. Has a cute, crisp, and high-pitched voice. Cute and rounded facial features. Has a lively and innocent personality. Best friends with Len, so they are always together. Loves oranges very much. Flat-chested.

Often called Len for short. 156cm/47kg, 14 years old, Male. The youngest; he addresses those older than he as Nuna or Hyeong. Blonde spiky bangs with a ponytail in the back, blue eyes. Boyish and cute appearance. Has a bright and mischievous personality. Best friends with Rin. Loves bananas very much.

173cm/60kg, 21 years old, Male. The second oldest. Slightly long blue hair; always wears a blue muffler. Sharp, upturned eyes; handsome. Clumsy and a bit of an idiot, but pure and kind-hearted. Follows MEIKO around, calling her Me-chan. Lowest in the social hierarchy; constantly gets teased or picked on by everyone. Loves ice cream very much.

Often called Luka for short. 162cm/45kg, 20 years old, Female. The third oldest. Long light-pink hair; wears headphones. Sharp, upturned eyes; beautiful appearance. Mature, elegant, and a cool-headed 'kuudere' type, but has a few screws loose. Addresses others by adding '-san' to their names and speaks politely. Example: Miku-san, Rin-san. Finds the others very cute (except for KAITO). Loves tuna very much. Large-chested.