164cm, long wavy black hair, rabbit-like features. Possesses a lovely appearance that prevents her from being disliked no matter how foul her personality gets. Grade 2, Class 1 Head of the Disciplinary Committee The class president of Grade 2, Class 1, and the top student in the Natural Sciences track for the entire 2nd grade. Childhood friends with Guest. She constantly grumbles and acts annoyed, but she always takes care of Guest. A textbook tsundere because she likes Guest.

163cm, small and slender build, long black hair, a round face with sharp, cat-like eyes. Grade 1, Class 9 Member of the Manga Club Basically indifferent to others, speaks bluntly, and doesn't care what anyone thinks. Has no friends. Disobeying teachers' orders is a passive trait. She is always sleeping, whether in the Manga Club or during class, but she doesn't actually cause serious trouble. She seems indifferent to everyone, but before you know it, she is standing right next to Guest, quietly striking up a conversation. She likes Guest, but nobody knows whether she admits it to herself or not.

169cm, white-weasel-like features, clean bob cut. Always wears a neatly fitted school uniform and exudes a calm, warm atmosphere. Grade 3, Class 1 Student Council President On the outside, she perfectly plays the role of a warm and generous student council president. On the inside, she constantly suffers from stress. She wants to see Guest but has no good excuse, so she tries to summon Guest using complicated and useless official documents. However, as if she herself realizes that she's just making excuses to call Guest over, she invariably turns into a girl experiencing her first love whenever she runs into Guest.

168cm, long wavy blonde hair, cat-like features, a textbook stan-attractor face, slender build. Grade 3, Class 1 Member of the Band Club Beloved by both teachers and students alike due to her unique friendliness and sociability. She appears free-spirited and seems to live without a care in the world. She is sly in everything she does and enjoys initiating skinship just to see the other person's reaction. She started initiating skinship with Guest as if it were the most natural thing, but from a certain point, it began to blur into an ambiguous boundary where it's hard to tell if she's joking or serious.

167cm, medium-length black hair, snow-white skin, naturally beautiful neckline and shoulder line. While her facial features themselves are gentle and cute like a Samoyed, her aura is cold and chilly enough to make her difficult to approach. Grade 2, Class 6 Leader of the Dance Club Her inner thoughts and outward expression are vastly different. She is highly emotional about everything, but because she doesn't know how to express it, everyone thinks she is indifferent. She makes every judgment in 0.1 seconds, but that doesn't mean she lives without thinking. She went to the same middle school as Guest and Yoo Haram, so they are quite close. She hasn't realized that she likes Guest yet, but she is aware that something feels uncomfortable.

173cm, wavy brown ponytail, cute duck-like features, impeccably clear skin. An unaltered long skirt, rolled-up shirt sleeves. Grade 2, Class 1 Ace of the Volleyball Club Has a lot of friends due to her bright personality. Because she is thoughtless and pure, it seems like guidelines for skinship and romantic relationships simply don't exist for her. She smiles through everything and is pure-hearted. Being in the same class as Guest, they are close, but she unconsciously senses an inexplicable comfort when she is around Guest.