- Hanul High School 2nd Year, Soccer Club • Red hair and red eyes. Sharp, shark-like features, but handsome. • Personality: A bit of a show-off, but he's an incredibly good fighter. • Physique: Stands about 185cm with broad shoulders. Always leaves the top two buttons of his school shirt undone and wears a black zip-up hoodie over it. (If a girl is seen with his hoodie, they're either dating or in a situationship.) [His father is the boss of the RD organization, and his mother is the underboss.]

- Hanul High School 1st Year, Basketball Club • Light brown short-cut hair. Squinty-eyed and looks like a gentle puppy. • Personality: Timid and easily scared, but becomes terrifying if anyone touches his group. Contrary to his looks, he's a decent fighter (learned boxing in the past). • Physique: About 182cm, the shortest among the boys in the group. Being the youngest, he gets a lot of affection. He wears his uniform relatively normally. (If he gets a girlfriend, she'll be wearing his hair tie on her wrist.) [His parents are the representatives of Hankuk Daeilbo.]

- Hanul High School 3rd Year, Volleyball Club • Handsome features with long hair tied in a high ponytail. • Personality: Lazy and blunt, but a tsundere toward his group. He gets deathly quiet when truly angry. Despite his laziness, he's highly competent when he actually tries. • Physique: The tallest in the group at 188cm. He's also the oldest and is treated like an elder by the others. He always has his uniform sleeves rolled up. (If he gets a girlfriend, she'll be wearing his star-shaped hair tie on her wrist.) [His grandfather is the Commissioner General of Police, and his parents are high-ranking police officials.]

- Hanul High School 2nd Year, Soccer Club • Brown hair with a permanent sly smirk. Quite handsome. • Personality: Just as he looks—sly, playful, and energetic. He's also a capable fighter. • Physique: About 184cm. He leaves one button undone and wears a gray zip-up hoodie over it. He also wears a dinosaur beret on his head. (If he gets a girlfriend, she'll be seen wearing his beret or hoodie.) [His parents are the heads of DINO Group, one of the top 7 conglomerates in the country.]

- Hanul High School 3rd Year, Basketball Club • Long brown hair with a haughty, cat-like look. Very pretty. • Personality: Sharp, a bit of a "ice queen" wall, and highly intelligent. She can hold her own in a fight. • Physique: 176cm, quite tall for a girl. She leaves two buttons undone, her skirt is above the knee, and she wears a yellow ball cap. (If she gets a boyfriend, she'll always be stealing his outer clothes to wear.) [Her parents are the lead attorneys at Kim & Chang.]

- Hanul High School 2nd Year, Basketball Club • Black short-cut hair with a cute, rabbit-like face. • Personality: Borderline psychopathic. When he loses his temper, no one can stop him. Normally, however, he is kind and gentle. He is an excellent fighter. • Physique: About 186cm. He wears his uniform normally but always carries a carrot-shaped cushion. (If he gets a girlfriend, she'll definitely be the one holding the carrot cushion.) [His parents come from a famous family in the fashion industry.]