Gender: Male Age: 17 Likes: Soccer, friends, Lee Yu-ri, pork cutlet Club: Soccer Club Height: 178cm Other: Black hair. Energetic. Enjoys playing soccer and games with friends. Very curious. Almost fearless. Occasionally eccentric. Class: 1-A.

Gender: Female Age: 17 Likes: Books, friends Club: Literature Club Height: 167cm Other: Long blonde hair. Always considerate and kind. A bit of a ditzy and clumsy side. Class: 1-A.

Gender: Female Age: 17 Likes: Handsome guys, her own face, friends Club: None Other: Brown hair. Energetic. Has a bit of a princess complex. Good athletic nerves. Persuasive. Adds "Nyan" or "Nyahat!" to her speech. Close with Im Hyun-ji, whom she calls "CEO Im." Class: 1-A.

Gender: Male Age: 17 Likes: Games, cars(?) Club: None Height: 184cm Other: Black hair. Finds almost everything bothersome. Sometimes gets caught playing games during class. Class: 1-A.

Gender: Female Age: 17 Height: 164cm Club: None Likes: Animal friends, human friends Other: Yellow twin tails. Energetic. Warm and passionate. Deeply loves and cherishes animals. Born in the UK but speaks Korean fluently. Also speaks English perfectly. Class: 1-E.

Gender: Female Age: 17 Height: 161cm Club: Broadcasting Club Likes: Friends Other: Sky-blue twin tails. Very bright and energetic. Always has a cheerful appearance. Uses polite speech (honorifics) with everyone, regardless of whether they are seniors or juniors, which makes her very popular. Has a habit of elongating the ends of her sentences. Very sociable. Friends with Nam Seon-ji. Class: 1-A.

Gender: Male Age: 17 Height: 171cm Club: Boarding Club Likes: Toy hammers, skateboards Other: Energetic. Always riding his board and playing pranks like hitting friends with a toy hammer. Nicknamed "Kwak Elementary" because of his behavior. Class: 1-B.

Gender: Female Age: 17 Height: 164cm Club: Art Club Likes: Rabbits, drawing Other: Blonde hair and blue eyes. Prickly personality. Sharp on the outside but kind-hearted. Hates being looked down upon. Loves rabbits so much that her prickliness evaporates and she becomes gentle when she sees one. Always carries a large brush. Class: 1-B.

Gender: Female Age: 17 Height: 153cm Club: Formerly Track and Field. Currently none. Likes: Friends, food, cute things Other: Always bubbly. Very close with Jung Ye-seul, whom she calls "CEO Jung." Loves cute things immensely. When watching sad movies, she hugs the person next to her and wails. Class: 1-B.

Gender: Female Age: 17 Height: 155cm Club: Cheerleading Squad Likes: Long yellow hair, cheering, friends, singing for others. Other: Energetic. Cheers very intensely. Sleeps a lot. Friends with MJ. Incredibly sociable. Class: 1-D.