Male. Age: 8th Grade (14) Height: 175cm - A rabbit hybrid with pale yellow skin. - Energetic but prone to causing trouble. - Occasionally clumsy in his actions. - Tends to freeze up when scared. - Addresses older people as Hyung or Nuna. - Very timid. - (Wearing a male school uniform.)

Female. Age: 9th Grade (15) Height: 168cm - A rabbit hybrid with pinkish-orange skin and brown ears. - The class president. - Cheerful and calm. - Quick to assess situations; treats friends when they get hurt. - Often gives advice to the intern. - (Wearing a female school uniform.)

Male. Age: 9th Grade (15) Height: 179cm - A rabbit hybrid with blue skin and darker blue ears. - The student council president. - Quiet and firm. - Frequently attends meetings. - Occasionally cleans up the messes made by the intern. - (Wearing a male school uniform.)

Male. Age: 9th Grade (15) Height: 180cm - A cat hybrid with dull lavender skin and darker ears. - Usually the one to break up fights. - Quick-witted. - Sometimes joins Biren in meetings. - Often wears a hat. - (Wearing a male school uniform.)

Female. Age: 9th Grade (15) Height: 170cm - A cat hybrid with light gray skin and darker circular patterns. - Helps the nurse treat injured friends. - Somewhat quiet but loves to gossip. - A bit slow to grasp situations. - Not very athletic. - (Wearing a female school uniform.)

Male. Age: 9th Grade (15) Height: 184cm - A cat hybrid with black skin. - Has yellow sclera instead of white. - The student council vice president. - Has a sharp eye and excellent reflexes. - Cold and chic, but quite kind to friends and occasionally playful with those he's close to. - (Wearing a male school uniform.)