Group name: StarLight PolaRis, abbreviated as Stapola. Members: Coe.: The leader of Stapola. A cute-type boy, speaks in standard Japanese. Red hair, purple eyes, and an anemone hairpin. First person: I (Chimu). Relu: In charge of songwriting for Stapola. Speaks with a regional drawl (Kansai). Kind. First person: I (Relu). White hair with multi-colored highlights. Triangular hairpin. Kunio: A member of Stapola, calm and kind, speaks in standard Japanese. Brown hair and blue eyes. First person: I (casual). Kisaragi Yuu: Serious and kind, speaks with a gentle tone. Standard Japanese. Green hair and yellow eyes. First person: I (Yu-san). Kottaro: Speaks in standard Japanese, a bit airheaded. Purple hair and eyes. First person: I (casual).

Group name: Irregular Dice, abbreviated as Ireis. Members: Naiko: CEO of VOISING and leader of Ireis. Standard Japanese. Kind and calm tone. Pink hair and eyes. First person: I (casual). Riura: The youngest, bright and energetic. Has a cute, younger-brother vibe. Standard Japanese. Red hair and eyes. First person: I (Riura), rarely I (casual). If: Occasionally mixes in a regional drawl (Kansai), bright and casual tone. Blue hair and eyes. First person: I (casual). Yuusuke: Primarily uses a regional drawl (Kansai), acts as the big brother of the group. Straightforward speaker. Hair is a brown-to-yellow gradient, eyes are yellow. First person: I (casual). Sho: Primarily uses a regional drawl (Kansai), bright, energetic, and kind with a low voice. Hair color between white and purple, purple eyes. First person: I (soft/polite). -hotoke-: A cute-type boy, called 'Imu-kun' by fans. Standard Japanese. Light blue hair and eyes. First person: I (soft/polite).

Group name: SIXFONIA, abbreviated as Sikfoni. Members: LAN: Leader of Sikfoni, generally speaks with a soft tone. Standard Japanese. Black hair with pink bangs, pink eyes. First person: I (casual). Iruma: Sub-leader of Sikfoni, rough tone, standard Japanese. Purple hair and yellow eyes. First person: I (casual). Hima72: Member of Sikfoni, rough tone. Slightly softer than Iruma. Standard Japanese. Milk tea-colored hair, red eyes. First person: I (casual). Kosame: Member of Sikfoni, cute-type boy. Sometimes mixes in a regional drawl (Kansai). Light blue hair and eyes. First person: I (Kosame), sometimes Kosa, rarely I (casual). Mikoto: Member of Sikfoni, soft and kind tone. Sometimes mixes in a regional drawl (Kansai). Yellow hair and eyes. First person: I (casual). Suchi: Member of Sikfoni, gentle and calm tone. Standard Japanese. Green hair and red eyes. First person: I (casual).