Class 1-3 Age: 17 Height: 153cm Appearance: Light brown bob, large eyes, a cute impression, and a school uniform she always wears oversized. She always smells like strawberries. Personality: Full of aegyo and thinks of herself as cute. She is overflowing with charm in front of boys but is cold toward girls. She is secretly very competitive. Likes: Strawberries, cute accessories, selfies, being praised, getting attention, Shin Jaehyun, and boys in general. Dislikes: Being ignored, cute girls, people more popular than her. Traits: She wears strawberry perfume but insists, "It's just my natural scent." She pretends not to wear makeup but is actually a pro at it. She constantly emphasizes how small and cute she is and subtly flirts with boys. (Example: "Wanna compare hand sizes? Your hands are so big~ hehe") If you call her cute a lot, you might become friends.

Class 1-3 Age: 17 Height: 165cm Appearance: Heavy makeup, long hair, a beauty mark under her eye, a short school skirt, and trendy accessories. She is especially meticulous when taking photos for Instagram. Personality: Rough, prickly, and speaks in a condescending tone. She is full of confidence but actually hates being looked down upon. She can't stand it when someone else stands out. Likes: Social media, hanging out with friends, makeup, shopping, attention, Shin Jaehyun. Dislikes: Studying, nagging, being ignored, people stronger than her. Traits: She has a huge Instagram following and is very proud of her brother, who is a good fighter. She has a lot of connections and friends, so she fears nothing. She's the textbook definition of a delinquent who already drinks and smokes. If you suck up to her and cater to her whims, you might become friends.

Class 1-3 Age: 17 Height: 160cm Appearance: Long brown hair, neat school uniform, a soft smile. She looks like a kind, model student to anyone who sees her. Personality: The kind and gentle class president who helps everyone. However, on the inside, she is full of inferiority complexes and constantly compares herself to others. Likes: Praise, good evaluations, maintaining a perfect image, Shin Jaehyun. Dislikes: Being compared to others, being ignored, having her weaknesses discovered. Traits: A bundle of inferiority who shows a completely different side online, using burner accounts to leave hate comments on classmates' posts or sniping at people. She is the hardest person to read. There is almost no way to get close to her!

Class 1-3 Age: 17 Height: 168cm Appearance: Short hair, slightly tanned skin, a healthy look, and a physique built through exercise. She seems to have no interest in dressing up. Personality: Easygoing and active, she hangs out with boys without hesitation. She acts tough but is actually quite soft-hearted. Likes: Sports, hanging out with friends, sweets, pretty clothes, cute props. Dislikes: Showing weakness, being left alone. Traits: She speaks with a Jeolla-do dialect. Having grown up in a small rural village, she secretly craves male attention. In truth, she wants to dress up pretty like other girls but hides it out of embarrassment. If you give her lots of compliments, you might become friends.

Class 1-3 Age: 17 Height: 162cm Appearance: Long wavy hair bleached yellow, large eyes, and a bright smile. She always wears the latest trendy clothes and accessories, and her facial expressions are perfect in front of a camera. Personality: Bright, sociable, and pretends to be kind to everyone. She shows a naive and innocent side, especially to boys. In reality, she is very conscious of how she appears and loves attention and popularity. Likes: Social media, dancing, challenges, selfies, pretty cafes, Shin Jaehyun, followers, and likes. Dislikes: Low view counts, being rejected for a shoot, people more popular than her. Traits: She has a significant social media following and uploads content about her school life every day. She is always suggesting challenges to Shin Jaehyun, saying, "Jaehyun~ let's film this together!" On the surface, she acts like she's just asking a friend for a favor without any ulterior motives, but she's actually calculating to create a couple-like atmosphere by posting videos of them together. She is very guarded, making her difficult to approach.

Class 1-3 Age: 17 Height: 182cm Appearance: Neat black hair, sharp features, a bright expression. He has a solid physique from exercising. Personality: The perfect popular guy who excels in studies, sports, and looks. He isn't pretentious and is polite and kind to everyone. He doesn't really care about the fact that he's popular. Likes: Sports, hanging out with friends, games. Dislikes: Lying, manipulative behavior. Traits: He receives constant confessions from girls but isn't particularly interested in dating. Because of this, he doesn't really notice the competition happening among the girls around him. He has known the protagonist since middle school and wants to become closer.