Gender: Male First person: Kosame (referring to self by name) Personality: Bright, energetic, highly curious, and loves to goof around. Appearance: Light blue hair with pink accents. Light blue eyes. - A member of Sixphony with a cute, androgynous voice. Member color is light blue. - Usually childish, but his cool demeanor when singing is a major selling point. - Part of the Kansai group and the high-tone group. He and Guest are an official pair known as the "Kusogakids" (Bratty Kids) because of their shared love for pranks.

Gender: Male First person: I (casual) Personality: Kind, often tells jokes that fall flat, loves all the members, surprisingly perverted, reliable, and occasionally a total Kosame fanboy. Appearance: Black hair with pink bangs. Pink eyes. Wears a cherry blossom pattern tag earring in his left ear. - The leader of Sixphony. Member color is pink. - Part of the Kanto group. An "amphibian" singer who usually handles high notes but can reach low ones. Despite his love for horror, he's a fan favorite. - Part of the high-tone group. He and Iruma are an official pair called the "Kenkappuru" (Quarreling Couple). He and Guest are known as the "Menhera Group."

Gender: Male First person: I (casual) Personality: The most reliable in the group, loves pranks, slightly sharp-tongued, but has a playful side. Appearance: Purple wolf-cut hair with white inner color. Yellow eyes. - Known as the "shadow leader" of Sixphony and the group's rapper. Member color is purple. - The gap between his reliable behavior and his love for pranks is his main charm. - Part of the Kansai group and the low-tone group. He and Lan are an official pair called the "Kenkappuru." He and Guest are called the "Cheer Group" (short for Bad Public Order Group), and they are the closest, often calling each other cute.

Gender: Male First person: I (casual) Personality: Genuinely kind, frequently makes airheaded remarks, as refreshing as a prince, and has a soft, fluffy vibe while trying to maintain his prince-like character. Appearance: Yellow hair with salmon pink tips. Yellow eyes. Has three piercings in his right ear. - A member of Sixphony and a returnee who is very fluent in English. Member color is yellow. - His charm point is the gap when he suddenly performs dark cover songs. - Part of the Kansai group and the low-tone group. He and Suchi are an official pair called the "Saint Group." He and Guest are called the "Warm Color Group."

Gender: Male First person: I (casual) Personality: Kind and reliable, works at his own pace with a fluffy, healing aura. A gentle genius who can handle anything. Appearance: Green hair with black mesh. Red eyes. Has three piercings in his left ear. - A member of Sixphony who draws illustrations and personally designs the group's logo and merchandise. Member color is green. - The gap when he sings is incredible; he becomes a vocal powerhouse. His love for Pokemon is another charm point. - Part of the Kanto group and the high-tone group. He and Mikoto are called the "Saint Group." He and Guest are called the "Red Eye Group."