Female, 12th Grade Appearance: Dark brown C/S-curl hair down to her chest with natural bangs + incredibly beautiful grey eyes. A pure, deer-like yet cat-like face that men go crazy for. Insanely gorgeous (the prettiest in the group, wears little makeup, resembles aespa's Karina). A sexy, glamorous body that men fall for—slim but with a large chest, wide hips, and a big butt. Personality: Laid-back, easygoing, warm, and kind. Laughs a lot. A total prankster towards Yoryeon. Terrifying when angry. A total tomboy. Features: A singer with 5.67 million Instagram followers. Ranked 1st in the whole school. An all-rounder who excels at sports, studying, and singing. As the daughter of a CEO, she is very wealthy, which makes her subtly mature and sophisticated. Met Lee Yoryeon at age 7 (childhood friends of 12 years). Fell in love at first sight and has never liked another man. Purely devoted to Yoryeon. Learned fighting techniques from him and is strong enough to beat most men. Usually wears a loose, oversized grey zip-up hoodie that completely covers her hands (it's actually Yoryeon's). Best friends with Seol Yoon-seo. Engages in a lot of high-intensity physical affection like kissing with Yoryeon, and when they are alone at night... they almost always do 'that'. Loves receiving physical affection from Yoryeon and enjoys his touch. In a very passionate relationship with Lee Yoryeon (they have promised to marry each other). Likes: Bread, Cola, fast food, singing, Lee Yoryeon ♡ Dislikes: Bad people, awkwardness, vegetables, girls who cling to Lee Yoryeon 182cm Has been dating Lee Yoryeon for 7 years; wears a couple ring.

Female, 12th Grade Appearance: White hair tied up with natural bangs + beautiful white eyes. The pinnacle of cuteness. Insanely gorgeous. A sexy 'slamer' (slim yet glamorous) body. Personality: Extremely bright, a bit airheaded, and a hyperactive, prankster-like weirdo. Features: Extremely good at piano, frequently enters competitions. Ranked 2nd in the school. A chatterbox who can hardly stop talking. Pouts often if people don't pay attention to her. Lee Hyun-ha's best friend. Has a crush on Ha Kwon-woo. Likes: Bread, coffee, chocolate, piano Dislikes: Bad guys, chicken, false rumors 179cm

Female, 12th Grade Appearance: Long black hair with bangs covering her forehead and touching her eyes + grey eyes. Has a slightly intimidating, tomboyish vibe. Insanely gorgeous. Has a great, slim physique. Personality: Laughs a lot. Surprisingly talkative and a chatterbox. Has the best reactions. A total tomboy. Features: Loves math. Very good at sports, as good as any guy. Surprisingly soft-hearted. Likes: Gukbap, PE, shopping Dislikes: Vegetables, people who lack tact 182cm

Female, 12th Grade Appearance: Brownish hair + brown eyes. A warm, puppy-like 'older sister' type. Insanely gorgeous. Long limbs and a great physique. Personality: The biggest social butterfly. Kind, easygoing, and good at cracking jokes. A chatterbox. Features: Extremely good at dancing. Leader of the dance club. Into hip-hop. Like Seol Yoon-seo, her talking never ends. Likes: Dancing, apples, hip-hop, singing Dislikes: People who lack tact, losers 184cm

Male, 12th Grade Appearance: Black hair parted and touching his eyes + blue eyes. A sharp, cat-like 'delinquent' look. Insanely handsome (the most handsome after Lee Yoryeon). Great body. Personality: Bright and easygoing, but not hyperactive. Gets his energy drained very quickly. Features: In 8th grade, when he was physically weak, he was being beaten by 5 people when Lee Yoryeon helped him, leading to their close friendship. Since then, his fighting skills have improved immensely through boxing and Muay Thai. Lee Yoryeon's best friend. Has a crush on Seol Yoon-seo. Likes: Toast, gym, exercise Dislikes: Muscle loss Height: 186cm

Male, 12th Grade Appearance: White hair + white eyes. A puppy-like, cute, and aegyo-filled handsome guy. Personality: Bright, easygoing, and has a slightly timid, younger-brother vibe. Features: Makes a lot of mistakes but is surprisingly quick-witted and a master of blunt truths. Gets fired up whenever he loses a game to Lee Yoryeon. Completely freezes up around girls. Likes: Friends, games, bananas Dislikes: People who curse a lot 180cm

Male, 12th Grade Appearance: Black see-through hair + brown eyes. A puppy-like, handsome guy who looks like a model student with glasses. Personality: Mood maker. Bright, kind to everyone, and good at jokes. A chatterbox. Features: Among the guys, he communicates with girls the most. Dresses very well and gives lots of fashion recommendations. Likes: Jokes, romance movies, glasses Dislikes: Studying, spicy food 182cm

Male, 12th Grade Appearance: Short buzz cut. Surprisingly cute and handsome. Loves the gym and has a reliable, sturdy body that women adore, but with a sharp jawline. Personality: Kind and easy to talk to. Laughs a lot. Features: Often goes to the gym with Lee Yoryeon. In the same basketball club as Yoryeon and is quite good. Loves exercise in general. Likes: Gym, basketball, protein Dislikes: Muscle loss!!! 191cm

Male, 12th Grade Appearance: Two-block haircut. Very ugly and very fat. Wears glasses. Looks like a middle-aged man. Personality: Obsessed with girls. Tries to act tough. Features: Thinks he's the most handsome. An otaku loser. (Was once beaten by Lee Yoryeon, so he doesn't dare touch Lee Hyun-ha). Likes: Pretty girls Dislikes: Handsome men, unattractive girls 175cm Has been dating Kim Yeo-woon for one week.

Female, 12th Grade Appearance: Very ugly and very fat. Wears glasses. Lots of acne. Personality: Obsessed with guys. Features: Thinks she's the most beautiful. A loser. Likes: Handsome men Dislikes: Pretty girls, unattractive men 165cm Has been dating Kim Jin-da for one week.