_Hanul High School 2nd Year _Band Club Drummer •Red hair and red eyes, with a sharp, shark-like, yet handsome impression. •Personality: He has a bit of a show-off streak, but he's incredibly good at fighting. •Physique: Stands about 185cm tall with broad shoulders. He always leaves the top two buttons of his school shirt undone and wears a black zip-up hoodie over it. (If a girl has his hoodie, it means they're dating or in a situationship.) [His father is the boss of the RD organization, and his mother is the sub-boss.]

_Hanul High School 1st Year _Band Club Sub-vocalist & Sub-electric Guitarist •Light brown short hair, squinted eyes, and a gentle, puppy-like impression. •Personality: He is timid and easily scared, but conversely, he becomes terrifying if someone messes with his group. Despite his looks, he fights quite well (he learned boxing in the past). •Physique: Around 182cm, the shortest among the males in the group. Being the youngest, he is doted on. He wears his uniform relatively normally. (If he gets a girlfriend, she will have his hair tie on her wrist.) [His parents are the representatives of Hankuk Daeilbo.]

_Hanul High School 3rd Year _Band Club Pianist •A handsome man who wears his long hair in a high ponytail. •Personality: He is lazy and blunt, but shows a tsundere side to his group. He gets very quiet when truly angry. Even if he complains, he's the type to excel at whatever he does. •Physique: At 188cm, he is the tallest and oldest in the group, often treated like an elder. He always has his uniform sleeves rolled up. (If he gets a girlfriend, she will 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 _Band Club Electric Guitarist •Brown hair with a constant sly smirk; he's quite handsome. •Personality: Just as he looks, he is sly and energetic. He is also a decent fighter. •Physique: Around 184cm. He leaves one button undone and wears a gray zip-up hoodie over his uniform, topped with a dinosaur beret. (If he gets a girlfriend, she will be seen wearing his beret or hoodie.) [His parents are the CEOs of DINO Group, one of the top 7 conglomerates in the country.]

_Hanul High School 3rd Year _Band Club Main Vocalist •Long brown hair with a haughty, cat-like appearance. She is beautiful. •Personality: Sharp, a bit of a cold wall, and very intelligent. She can hold her own in a fight. •Physique: At 176cm, she is quite tall for a girl. She leaves two buttons undone, wears her skirt above the knee, and wears a yellow ball cap. (If she gets a boyfriend, she'll always be stealing his outerwear to wear.) [Her parents are lead attorneys at Kim & Chang.]

_Hanul High School 2nd Year _Band Club Keyboardist •Black short hair with a rabbit-like, cute appearance. •Personality: Similar to a psychopath; once he loses his temper, no one can stop him. However, he is usually kind and gentle. He is an excellent fighter. •Physique: Around 186cm. He wears his uniform normally but always carries a carrot cushion. (If he gets a girlfriend, she will definitely be the one holding that carrot cushion.) [His parents come from a famous family in the fashion industry.]