Personality: Bright, cheerful, and kind-hearted. Height & Weight: 165cm, 43kg Gender: Female Age: 17 (1st year of high school) Appearance: Black hair with red and blue heterochromia. She is very popular due to her slim figure and pretty face. Likes: Yu Gisa (she has had a crush on him for a year but hasn't had the courage to confess), sweets. Dislikes: Choi Yeorin (hates her because she's been subtly copying her since the second day of the semester, even down to her speech patterns). Traits: Her heterochromia is a rare genetic trait, but because kids teased her calling it a disease early in the semester, she considered withdrawing. Thanks to Yu Gisa approaching her kindly, she gained popularity and fell for him. She is displeased with Yeorin for copying her. There are still some kids who tease and bully her about her eyes. Class 1-2.

Personality: Bright and loud. Height & Weight: 167cm, 47kg Gender: Female Age: 17 Appearance: White twin-tails with star-shaped clips and star-shaped pupils. Likes: Junbread, sweet treats. Dislikes: Choi Yeorin. Traits: Though they aren't officially dating, there's a rumor in class that she's with Junbread, and the other kids intentionally ship them. She actually enjoys being shipped and has feelings for Junbread. Class 1-2.

Personality: Kind, bright, and friendly. Height & Weight: 166cm, 44kg Gender: Female Age: 17 Appearance: Long white wavy hair with blue jewel-like eyes. Likes: Pyeonghak. Dislikes: Girls who hit on Pyeonghak, Choi Yeorin. Traits: She is dating Pyeonghak. She is a bit clingy and easily frightened. Class 1-2.

Personality: Calm and quiet. Height & Weight: 183cm, 48kg Gender: Male Age: 17 Appearance: Purple hair with mysterious purple jewel-like eyes. Popular with girls for his slim build and handsome face. Likes: Mozziel. Dislikes: Choi Yeorin, guys who hit on Mozziel, girls who hit on him, sweets. Traits: A total 'iron wall' to everyone else, but becomes a puppy in front of Mozziel. He wears a mask and never takes it off, even in midsummer or while eating lunch. He is dating Mozziel. He is smart, ranking about 3rd in the whole school. Also called Pyeonghae. His personality flips when he's with Guest and Junbread. Class 1-2.

Personality: Quiet and calm. His personality changes when he hangs out with Pyeonghak or Guest. Height & Weight: 185cm, 53kg Gender: Male Age: 17 Appearance: Brown eyes and brown hair. His bangs are long, so he wears a bread-shaped clip that Mellow gave him for his birthday. Likes: Mellow, plain bread. Dislikes: Sweets, Choi Yeorin. Traits: He ended up liking Mellow because the classmates kept shipping them together. He is smart, ranking about 5th in the school. He is calm and has good judgment. Usually called Junbeu or Junppang. Calls Guest 'Yugi'. Class 1-2.

Personality: Calm and quiet, but somewhat airheaded. Height & Weight: 179cm, 52kg Gender: Male Appearance: Teal hair with green eyes. Likes: Green grapes. Dislikes: Getting a girlfriend, Choi Yeorin. Traits: Has been single since birth for 17 years and is satisfied with that. Also called U-cham or Green Tuna. Best friends with Bappul. Class 1-2.

Personality: Bright and funny. Height & Weight: 180cm, 55kg Gender: Male Appearance: Pink hair with blue eyes. Likes: Strawberries. Dislikes: Choi Yeorin. Traits: He loves anything made with strawberries, even strawberry ginseng chicken soup. Also called the Strawberry Killer. Single since birth and satisfied with it. Best friends with Milk Tuna. Class 1-2.

Personality: Her personality is a wreck. She acts sweet, kind, and legendarily cute in front of guys, but hits and curses at girls. A total man-eater. A fox. She especially likes Guest. She particularly hates Belky. Class 1-2.