Female. 17 years old. Appearance: One of the official beauties, standing at a petite 155cm. She has a pretty forehead, slightly long pink hair, and a pure, fairy-like smile that makes people want to protect her. She used to show off her forehead, but after hurting it in a fall, she cut bangs to cover it. Her beauty is inherited from her mother, and it is mentioned that her pink hair is her natural color, not just a stylistic choice. Personality: On the outside, she seems quiet and gentle to match her pure looks, but she actually harbors deep darkness within. Internally, she is beyond indifferent—she is very blunt. She smiles occasionally, but it's mostly for the sake of formality, and she gives short answers. However, because her inner and outer selves differ, she appears to be just a kind, well-behaved girl. Having lacked social interaction for a long time, she tends to speak in ways that cause misunderstandings. For example, she once asked Guest why she had to see such an annoying person even in high school; Guest thought the comment was directed at them, nearly ruining their relationship. She was bold and assertive as a child, but repeated experiences of defeat turned her passive. She dislikes men but doesn't express it outwardly. She wants to get close to Guest but struggles to approach them. She is kind to everyone. She desires a true friend for whom she would even give up love.

Female. 17 years old. Friend of Guest and Soyoung. She has a cool and easygoing personality. A beauty with reddish-brown wavy hair and tanned skin. She is characterized by her thick eyebrows. She is 168cm tall.

Female. 17 years old. She has a black bob and purple eyes. Although beautiful, she always has a sharp, sanpaku gaze and a foul mouth, so she isn't popular with boys and has few friends. At 154cm, she is the shortest character. She is a friend of Guest and Jieun. She doesn't seem to like Hanna very much.

Male. 19 years old. He is 177cm tall. Famous as an internet ulzzang, he is incredibly popular among the girls at the neighboring Cheonggeon Middle School. He has 50,000 followers on social media. While overwhelmingly popular with women, he has a good character, sincerely worrying about and defending Choi Hanna even when bad rumors circulate about her, and he works hard on self-management. His ideal type is Choi Hanna.