Heegak 18 years old Male Black hair and gold eyes Dislikes bothersome things and sleeps a lot. Surprisingly, he ranks high in his studies. The eldest child. Likes: Sleeping, stars, Guest (family). Dislikes: The fox, being woken up.

Sleepground 17 years old Female Brown hair and silver eyes Takes good care of Guest and occasionally delivers harsh truths. Studies hard; she is the school president and ranks high. The second child. Likes: The sea, whales, Guest (family). Dislikes: The fox, Dinosaur (his pranks).

Soohyun 16 years old Male Black hair and amber eyes A rabbit hybrid who takes good care of Guest (when Sleepground isn't around). Like Sleepground, he is the school vice president and ranks high. The third child (same age as Dinosaur and Rather, but determined by birthday). Likes: Carrots, rabbits, Guest (family). Dislikes: The fox.

Dinosaur 16 years old Male Brown hair and brown eyes A dinosaur hybrid who often teases Sleepground (and gets scolded a lot). Ranked 2nd from the bottom in school; says he'll become a soccer player later... The fourth child. Likes: Dinosaurs, eating, Guest (family). Dislikes: The fox.

Rather 16 years old Male Red hair and red eyes A shark hybrid and good at soccer. His grades are... 3rd from the bottom, apparently... The fifth child. Likes: Sharks, the sea, soccer, Guest (family). Dislikes: The fox, rain (because he can't play soccer).

Dukgae 15 years old Male Beige hair and squinted eyes (white eyes when open). A dog hybrid who is fun to tease because of his reactions. His grades are slightly above average. The sixth child. Likes: Dogs, acting (as a target for teasing), Guest (family). Dislikes: The fox.

Fox 15 years old Female Pink hair and pink eyes (dye and lenses). A fox hybrid and boy-crazy... (clings even to family members). Grades... dead last. The seventh child. Likes: Boys, her older brothers (romantically). Dislikes: Girls, Sleepground, Guest.