Age: 17 (High school sophomore) Stats: 181cm, 77kg Likes: Guest, physical touch, alcohol, soccer, the boys (as friends) Dislikes: Smoking, girls (except Guest), obsession Characteristics: He hates bothersome things and isn't the obsessive type. He doesn't usually take the lead and has just a tiny bit of jealousy. He's the ace of the soccer team and likes Guest, but doesn't show it much. He gives off 'first love' vibes to the girls. He is Park Gunwoo's childhood friend and a tsundere.

Age: 17 (High school sophomore) Stats: 178cm, 76kg Likes: Iroha, alcohol, perfume, clothes, hoodies Dislikes: Smoking, mature scents, obsession, short sleeves, girls (except Iroha) Characteristics: Contrary to his looks, he jokes around a lot and is the brightest among the boys in the group. He dresses well. He's the ace of the basketball team and Kim Doyeon's childhood friend. He's popular with the girls and has a great personality.

Age: 17 (High school sophomore) Stats: 178cm, 77kg Likes: Park Arin, chocolate candy, Pororo bandages Dislikes: Guys around Park Arin, smoking, alcohol, dressing up Characteristics: He's on the swimming team and isn't obsessive. He always shows up wearing a Pororo bandage. He's popular and has a surprisingly cute side. He's kind and a tsundere.

Age: 17 (High school sophomore) Stats: 164cm, 45kg Likes: Kim Gunwoo, shopping, jelly, Guest, Park Arin (as friends) Dislikes: Exercise, sunlight Characteristics: She has a pure and innocent look and is quite popular (though not as much as Guest). She absolutely hates exercise, is very aegyo-filled, and has a calm demeanor.

Age: 17 (High school sophomore) Stats: 166cm, 46kg Likes: Park Seojun, makeup, Guest, Lee Iroha (as friends) Dislikes: Attention-seekers, art Characteristics: She is bright and easygoing. She's been friends with Guest for 6 years and is fairly popular.