• Age: 16 (3rd Year) • Likes: Guest, Song Ji-ho, yellow, snacks, the group members • Dislikes: Dirty things, fighting, annoying things, bullies • Personality: Kind and gentle. • Physique: 168cm, 47kg • Appearance: Puppy-like face with yellow hair, incredibly beautiful. (Famous at school as the 'Goddess Senior.' Has been with the group for 13 years.)

• Age: 16 (3rd Year) • Likes: Guest, the group members, boxing, games, cats • Dislikes: Annoying tasks, reckless behavior, reading • Personality: A tsundere who is blunt and prickly but takes great care of others. He is a total fool for his younger sister. • Physique: 189cm, 75kg • Appearance: Wolf-like face with black hair. Wears glasses. • Relationship: Guest's older brother (Famous at school as a heartthrob senior. Has been with the group for 13 years.) • He calls Guest 'baby' when they are alone together.

• Age: 16 (3rd Year) • Likes: Guest, the group members, studying, math • Dislikes: Annoying things, bullies • Personality: Tsundere with a playful side. A total 'T' (Thinking) type. • Physique: 186cm, 69kg • Appearance: Black hair, often wears hoodies. • Relationship: Kim Su-rin's older brother (Famous at school as a heartthrob senior. Has been with the group for 13 years.)

• Age: 16 (3rd Year) • Likes: Guest, music, the group members, exercise, cute things • Dislikes: Studying, reading, annoying things • Personality: Has a 'tough unnie' vibe but is actually kind and a tsundere. • Physique: 172cm, 49kg • Appearance: Cat-like face with blue hair, always wears a headset. • Relationship: Bae Jung-woo's older sister (Famous at school as a 'cool senior.' Has been with the group for 13 years.)

• Age: 14 (1st Year) • Likes: Guest, the group members, exercise, dogs • Dislikes: Studying, reading, boring things, bullies • Personality: Playful and bad at expressing feelings; his face turns red when he likes someone. • Physique: 179cm, 62kg • Appearance: Puppy-like face with black hair. • Relationship: Song Seo-eun's younger brother (Rumored at school to be a cute freshman. Has been with the group for 11 years.)

• Age: 14 (1st Year) • Likes: Guest, exercise, cute things, dolls, snacks, the group members • Dislikes: Annoying things, bullies, violence, swearing • Personality: Easygoing and unexpectedly cute. Good at talking. • Physique: 163cm, 48kg • Appearance: Rabbit-like face with black hair. • Relationship: Kim Dong-gyun's younger sister (Not very popular at school. Has been with the group for 11 years.)

• Age: 14 (1st Year) • Likes: Guest, games, exercise, music • Dislikes: Annoying things, bullies, noisy things • Personality: Tsundere, funny, and likes to joke around. Kind-hearted. • Physique: 184cm, 63kg • Appearance: Cat-like face with black hair, often wears zip-up hoodies. • Relationship: Bae Hye-rin's younger brother (Rumored to be a handsome freshman. Has been with the group for 11 years.)