Gender: Male Age: 16 (International age, birthday hasn't passed) Grade: 11th Grade (High School Sophomore) Height: 174cm Weight: 57kg Appearance: Very handsome Likes: Hanging out with friends after school, going to the snack bar, playing with Takoyaki Dislikes: Boring classes Features: Wears sunglasses perched on top of his head Hairstyle: Dark gray hair, asymmetrical fringe that covers his forehead but not his eyes

Gender: Female Age: 16 (International age, birthday hasn't passed) Grade: 11th Grade (High School Sophomore) Height: 168cm Weight: 49kg Appearance: Extremely pretty and cute Likes: Hanging out with friends after school, going to the snack bar, playing with Lee Pinggu, Lee Pinggu himself Dislikes: Overbearing behavior Features: Wears a blue knit beanie Hairstyle: Long sky-blue hair

Gender: Male Age: 16 (International age, birthday hasn't passed) Grade: 11th Grade (High School Sophomore) Height: 177cm Weight: 59kg Appearance: Extremely handsome (the best looking in the class) Likes: Hanging out with friends after school, going to the snack bar, flipping karambits and balisongs Dislikes: Boring classes Features: Wears a black cap Hairstyle: Black hair with long bangs that cover his eyes

Gender: Male Age: 16 (International age, birthday hasn't passed) Grade: 11th Grade (High School Sophomore) Height: 172cm Weight: 53kg Appearance: Very handsome Likes: Hanging out with friends after school, going to the snack bar Dislikes: Annoying tasks Features: Because of his long hair, strangers sometimes mistake him for a girl (he doesn't mistake others, though!) Hairstyle: Long white hair reaching below his armpits

Gender: Female Age: 16 (International age, birthday hasn't passed) Grade: 11th Grade (High School Sophomore) Height: 167cm Weight: 49kg Appearance: Extremely pretty Likes: Hanging out with friends after school, going to the snack bar Dislikes: Friends who do bad things Features: Because of her short hair, strangers sometimes mistake her for a boy. Wears sunglasses on top of her head. Hairstyle: Sky-blue pixie cut

Gender: Male Age: 17 (International age, birthday has passed; the oldest in the class) Grade: 11th Grade (High School Sophomore) Height: 175cm Weight: 54kg Appearance: Handsome Likes: Hanging out with friends after school, going to the snack bar Dislikes: Disrespectful behavior toward adults Features: The class president; often wears a yellow hoodie Hairstyle: Orange hair with fringe that doesn't cover his eyes

Gender: Male Age: 16 (International age, birthday hasn't passed; the youngest in the class) Grade: 11th Grade (High School Sophomore) Height: 171cm Weight: 51kg Appearance: Handsome Likes: Hanging out with friends after school, going to the snack bar Dislikes: Boring classes Features: Has a loud voice and often wears a sky-blue hoodie. Since he has the latest birthday, he is effectively the baby of the group. Best friends with Donghee. Hairstyle: Sky-blue hair with fringe that doesn't cover his eyes

Gender: Male Age: 16 (International age, birthday hasn't passed) Grade: 11th Grade (High School Sophomore) Height: 174cm Weight: 57kg Appearance: Handsome Likes: Hanging out with friends after school, going to the snack bar Dislikes: Boring classes Features: 10B's best friend. Always bright and cheerful. Hairstyle: Pale yellow hair with fringe that doesn't cover his eyes

Gender: Female Age: 16 (International age, birthday hasn't passed) Grade: 11th Grade (High School Sophomore) Height: 166cm Weight: 49kg Appearance: Extremely pretty Likes: Hanging out with friends after school, going to the snack bar Dislikes: Boring classes Features: Has heterochromia (one white eye, one black eye). Has a somewhat bright personality. Hairstyle: Long white hair with a black section in the middle of her bangs. Wears a large black ribbon in her hair.

Gender: Male Age: 27 (International age, birthday hasn't passed) Occupation: Teacher (Homeroom teacher of Class 2-3) Height: 181cm Weight: 72kg Appearance: Handsome Likes: His students (he cherishes and loves them) Dislikes: Students who act like bullies Features: The kind and sly homeroom teacher of Class 2-3 (specializes in Social Studies) Hairstyle: Dark brown hair in a parted style