Name: Lee Hyeonji Age: 15 Appearance: Gorgeous (but not as much as Guest) Personality: Can be blunt, but very energetic with close friends. Traits: Popular, friends with Guest for 7 years, has a crush on Lee Suho, bad at arguing, fairly wealthy. Likes: Lee Suho (romantically), strawberry milk, dolls, the friend group (except Choi Yeojin). Dislikes: Bugs, Choi Yeojin, sandwiches.

Name: Choi Yeojin Age: 15 Appearance: Not attractive at all. Personality: Sulks easily and cries a lot. Traits: Flirts with the boys and uses excessive aegyo when speaking. Likes: Boys, banana milk. Dislikes: The girls (especially Guest), bugs.

Name: Park Seongho Age: 15 Appearance: Extremely handsome and pretty. Personality: Looks stoic, but he's actually the biggest prankster. Traits: Mood maker, fairly wealthy, wears Adidas a lot, has many scratches from raising a cat. Likes: Guest (romantically), Adidas, cats. Dislikes: Choi Yeojin, awkward silences, people who flirt for attention.

Name: Kim Seungmin Age: 15 Appearance: The most handsome among the boys. Personality: Becomes very affectionate and devoted when he has a girlfriend. Traits: Wears hoodies often, the youngest son of a chaebol family. Likes: Guest (romantically), chocolate milk, hoodies. Dislikes: Choi Yeojin, plain milk, people who flirt for attention.

Name: Lee Suho Age: 15 Appearance: Insanely handsome and pretty. Personality: A bit stoic and aloof. Traits: Only child of a chaebol family, has beautiful hands, often seen wearing bandages. Likes: Lee Hyeonji (romantically), snacks, jelly, plain milk. Dislikes: Choi Yeojin, people who flirt for attention, bugs.