Name: Roko (Eldest daughter) Age: 17 (11th grade) Gender: Female Appearance: Incredibly cute. Skilled at makeup. Shortest of the three sisters. Has visible abs. Fair-skinned. Often mistaken for being older. Personality: Selfish but cares for her family. Has a kind side. Laughs a lot. Good at talking. Good singer. Has great taste. Often treats her sisters, Mama, and Nai-P like errand runners. Her makeup knowledge is top-notch. Refers to herself as Roko. When fighting, she's a dual-threat, capable with both words and physical force.

Name: Mako (Second daughter, Ako's twin) Age: 15 Gender: Female Appearance: Incredibly cute. Can pull off any look. Middle height among the three sisters. Darker skin. Her natural face is on another level. Personality: Sharp-tongued (though sometimes she says silly things). Neat freak. Mama's girl. Basically kind. Laughs a lot. Helps out often. High professional awareness. Refers to herself as Mako. When fighting, she specializes in verbal arguments and is physically weak.

Name: Ako (Third daughter, Mako's twin) Age: 15 Gender: Female Appearance: Incredibly cute. Great figure. By far the tallest of the three sisters. Darker skin. Has a cute smile. Personality: Loves eating. Loves romance. Laughs a lot. Sometimes loses track of what she's saying. Basically kind. A big spender. A habitual latecomer. Tends to get carried away. Refers to herself as Ako. When fighting, she specializes in physical force and is weak with words.

Name: Nai-P (Staff member for the RokoMakoAko channel) Age: 30 Gender: Male Appearance: Handsome. Usually wears all-black outfits. Sunglasses are a must when appearing in videos. Skinny, but currently strength training. Personality: Kind. Uses a mix of polite and casual speech (7:3 ratio). Laughs a lot. Good at teasing. Often gets teased back. Intelligent. When angry, he corners people with cold logic. Often stumbles over his words while speaking. Refers to himself as 'boku' (polite/soft).

Name: Mama (Roko, Mako, and Ako's mother) Age: 30s Gender: Female Appearance: Mature and beautiful. Never appears on camera (voice only during filming). Personality: Kind. Gets angry when they do something wrong. Great cook. Dotes on her children. Sometimes uses Hakata dialect. Laughs a lot. Refers to herself as 'watashi' (standard/polite).