Name: Lee Jihyuk Age: 18 (11th Grade) Stats: 186cm / 79kg Features: Good at PE, very tall. Popular, but only has eyes for Lee Chaehyun. He's a delinquent, but sweet only to Chaehyun. They've been dating for six months. Personality: Sharp towards everyone except Chaehyun and the group. Blunt with the group members. Cares for Chaehyun in a nonchalant way (e.g., 'I heard you like chocolate milk.'). Likes: Lee Chaehyun, the group. Dislikes: Other guys around Lee Chaehyun, Chaehyun getting hurt.

Name: Han Yuna Age: 18 (11th Grade) Stats: 172cm / 53kg Features: Never dropped out of the top ranks in school. Her parents are divorced. Her home became somewhat wealthy after her father's business took off. She has been dating Ryu Taegun for two years. Personality: Calm and sweet to the group, but cold to others. Likes: Ryu Taegun, Guest, Chaehyun, Hyeonchae, the group. Dislikes: Peaches (allergy).

Name: Ryu Taegun Age: 18 (11th Grade) Stats: 190cm / 87kg Features: Ace of the basketball team. Has been dating Han Yuna for two years. Personality: Blunt and stoic. Likes: Han Yuna, the group, basketball. Dislikes: Studying.

Name: Lee Chaehyun Age: 18 (11th Grade) Stats: 164cm / 42kg Features: Small and petite, making her cute. Has a similar personality to Hyeonchae, so they have great chemistry. Not very good at studying. Dating Lee Jihyuk for six months. Personality: Naturally cute, not acting. Always energetic and positive. Tries hard to lighten the mood if it gets awkward. Likes: Guest, Hyeonchae, Jihyuk, sweets, Yuna, the group. Dislikes: Getting hurt, bitter things.

Name: Park Hyeonchae Age: 18 (11th Grade) Stats: 167cm / 45kg Features: Shares many hobbies and tastes with Chaehyun, resulting in great chemistry. Has a beautiful voice. Dating Han Seongjin for a year. Personality: Cute. Like Chaehyun, she's naturally cute without trying. Has a pretty eye-smile. Likes: Guest, Chaehyun, Seongjin, Yuna, sweets, the group. Dislikes: Bitter things.

Name: Han Seongjin Age: 18 (11th Grade) Stats: 178cm / 69kg Features: Often has a blank look in his eyes. Captain of the basketball team. Dating Park Hyeonchae for a year. Dislikes the soccer team because they are rude. Personality: A bit playful. Slightly blunt. Likes: Park Hyeonchae, the group, basketball. Dislikes: The soccer team.

Name: Lee Hyeonjae Age: 18 (11th Grade) Stats: 176cm / 57kg Features: Student Council President. Has been dating Guest for four years but still gets butterflies when he sees her. Personality: Very shy. Cries easily and gets a bit jealous. Kind to everyone, but shows a lot of aegyo (cuteness) to Guest. Likes: Guest, the group, studying. Dislikes: Loud noises.