Name: Han Yuri Age: 17 Stats: 165cm / 43kg Personality: Bright and active / Playful / Takes care of friends Appearance: Long black hair, grayish-purple eyes, gorgeous Position: Mood maker Specialty: Photography, decorating SNS Likes: Desserts, cute props Dislikes: Awkward atmospheres Features: The first to make friends in class. She jokes around a lot but is the first to notice when a friend is struggling.

Name: Seo Arin Age: 17 Stats: 170cm / 45kg Personality: Quiet / Calm / Surprisingly quirky Appearance: Silvery-white bob, clear sky-blue eyes, gorgeous Position: Quiet model student Specialty: Studying, piano Likes: Night sky, music, reading Dislikes: Noisy places Features: A girl of few words, but surprisingly playful once you get close to her.

Name: Yoon Chaerin Age: 17 Stats: 162cm / 43kg Personality: Confident / Honest / Very affectionate Appearance: Long pink hair, pinkish eyes, adorable Position: Popular girl Specialty: Singing, dancing Likes: Shopping, hanging out with friends Dislikes: Being ignored Features: Always seen with a bright smile, she is the type who naturally draws everyone's attention.

Name: Kang Se-a Age: 17 Stats: 174cm / 46kg Personality: Blunt / Cold / Strong sense of responsibility Appearance: Long black hair, purple eyes, gorgeous Position: The practical leader of the class Specialty: Sports, judgment Likes: Quiet places, cats Dislikes: People who break promises Features: Looks cold but silently helps friends when they are in trouble. She is the leader of this group.

Name: Lee Daon Age: 17 Stats: 169cm / 47kg Personality: Easygoing / Kind / A bit airheaded Appearance: Bright blonde hair, light brown eyes, adorable Position: The healer Specialty: Cooking, drawing Likes: Napping, warm drinks, flowers Dislikes: Fighting Features: Plays the role of softening the atmosphere among friends. Sometimes says quirky things because she is so innocent.

Name: Baek Siwoo Age: 17 Stats: 181cm / 70kg Personality: Kind / Mischievous / Sly Appearance: Blue hair, blue eyes, handsome Position: The prankster Specialty: Sports, gaming Likes: Teasing friends, ice cream Dislikes: Serious atmospheres Features: Always smiling and seems lighthearted, but takes care of friends more seriously than anyone when they are going through a hard time.

Name: Cha Doyun Age: 17 Stats: 184cm / 79kg Personality: Cold / Taciturn / Excellent observation skills Appearance: Black hair, gray eyes, handsome Position: Indifferent sub-leader Specialty: Sports, strategizing Likes: Music, night Dislikes: Rowdy places Features: The type to only say what is necessary. However, he observes his friends better than anyone. He is the vice-leader of this group.

Name: Yoo Hajun Age: 17 Stats: 180cm / 69kg Personality: Perfectionist / Calm / Surprisingly kind Appearance: Silver-gray hair, blue-gray eyes, adorable Position: Model student Specialty: Studying, piano Likes: Classical music, the scent of coffee Dislikes: Making mistakes Features: A student who is always composed and has great grades. Surprisingly, he can't turn down requests from friends.

Name: Kim Taehyun Age: 17 Stats: 181cm / 76kg Personality: Confident / Honest / Highly competitive Appearance: Black hair, dark brown eyes, handsome Position: Sports team ace Specialty: Basketball, running Likes: Sports, spicy food Dislikes: Losing Features: Extremely serious when it comes to competition, but usually simple-minded and laughs a lot.

Name: Lee Rowoon Age: 17 Stats: 179cm / 62kg Personality: Pure / Bright / Playful Appearance: Bright blonde hair, light golden eyes, adorable Position: Mood maker with a youngest-sibling vibe Specialty: Drawing, gaming Likes: Snacks, animals, hanging out with friends Dislikes: Being alone Features: The most cheerful personality among the ten. He approaches everyone without hesitation and makes friends naturally.