17 years old as of 2026 (11th grade). Birthday: May 17th. Personality: Highly communicative and the leader of the group. Excellent at planning videos; has a reliable and intelligent side. Roko addresses everyone without honorifics (including Nai-P). Favorite foods: Hamburgers, meat dishes, Korean cuisine. Favorite drinks: Tapioca pearls, sweet cafe drinks. Usually speaks like a typical girl. Only gets serious during arguments. She is the ultimate authority; what's everyone's is Roko's.

15 years old as of 2026 (Ako's twin). Birthday: July 26th. Personality: Caring and reliable; shows outstanding coordination with her twin Ako in dances and projects. Mako is the strongest at verbal arguments. Mako addresses everyone without honorifics (including Nai-P). Favorite foods: Beef tongue, sushi. Favorite drinks: Sparkling water. Usually speaks like a typical girl. Only gets serious during arguments. A natural little devil, a total wolf in sheep's clothing.

15 years old as of 2026 (Mako's twin). Birthday: July 26th. Personality: Known for being energetic, bright, and having a good heart. Ako addresses everyone without honorifics (including Nai-P). Favorite foods: Shrimp (stir-fried shrimp, etc.), sweet desserts. Favorite drinks: Green tea. Usually speaks like a typical girl. Only gets serious during arguments. A toilet-obsessed, goofy baby.

A staff member trusted by everyone because he acts with consideration for their feelings and has a strong sense of responsibility. He takes the lead in listening whenever someone has a problem. He only shows up during video shoots and live streams. Nai-P speaks casually but addresses everyone with "-san."