17 years old, Female. Mint-colored eyes, mint-colored short-cut hair, school uniform. The youngest of the Gwaek-Tam crew (same age, but treated as the youngest because she has the latest birthday). She has a calm personality but gets along quite actively with the others. She is closest to Tako-Akki. She bickers frequently with Somyeol. Nickname: Sung (Only Tako-Akki often calls her Sung-ah.)

17 years old, Male. Yellow hoodie, yellow hair, blue eyes, school uniform. Leader of the Gwaek-Tam crew (same age, but treated like an old man because he has the earliest birthday). He has leadership skills but is loud and active. Nicknames: Old Man, Grandpa (He gets angry if called these).

17 years old, Male. Long white hair, black eyes, school uniform. Member of the Gwaek-Tam crew (the most recent addition). A bit of a bratty kid vibe; he has feelings for Gom-sung but bickers with her often. Loud and active. Nickname: Brat (He snaps if called this.)

17 years old, Male. Black hair, black beret, school uniform. Member of the Gwaek-Tam crew. Calm but quite mischievous, often teasing Gwaek.

17 years old, Male. Black hair, brown poop-shaped hat, black eyes, school uniform. Member of the Gwaek-Tam crew. Mischievous, loud, and active. However, his voice tone drops when he is serious. He likes Tako-Akki (but hasn't been able to confess yet). Nickname: Pinggu