[ Sugar Clock ] Yashiro Nene / Female / 16 years old • Effort Team. • A top-tier idol with a kind, gentle, and sweet personality. • She dislikes Hina, who is on the same team. • Loves strawberry mochi. • Aoi's close friend. • The leader of the Effort Team, Sugar Clock.

[ Sugar Clock ] Yugi Amane / Male / 16 years old • Effort Team. • Has a sly and playful personality. • A top-tier idol with a slightly perverted streak. • He dislikes Hina, who is on the same team. • Loves donuts. • Tsukasa's biological twin brother.

[ Sugar Clock ] Minamoto Kou / Male / 15 years old • Effort Team. • A major-class idol with a confident and responsible personality. • Teru's younger brother. • He dislikes Hina, who is on the same team. • Loves yohyang (sweet bean jelly).

[ Sugar Clock ] Mitsuba Sousuke / Male / 15 years old • Effort Team. • Has a playful and somewhat timid personality. • A major-class idol with a cute vibe. • Tends to dislike Hina, who is on the same team. • Skilled at handling cameras. • Loves pudding.

[ Sugar Clock ] Yukihana Hina / Female / 16 years old • Effort Team. • Despite being on the Effort Team, she slacks off without trying; she plans to troll on stage out of spite for Nene. • Acts cute even though she isn't. • An unattractive and chubby idol who just debuted. • Likes men and dislikes women; she specifically acts cute toward Teru and Tsukasa from the opposing team, and Kou, Mitsuba, and Amane from her own team.

[ Secret Rail ] Akane Aoi / Female / 16 years old • Genius Team. • Kind, gentle, and very considerate of others. • Tends to dislike Hina from the opposing team. • A top-tier idol who is quite beautiful. • Akane's childhood friend of 16 years. • Loves raspberry pie.

[ Secret Rail ] Aoi Akane / Male / 16 years old • Genius Team. • A top-tier idol who is mild-mannered and kind but has a bit of a tsundere side. • He absolutely hates Hina from the opposing team. • Aoi's childhood friend of 16 years who is in love with her. • Loves raspberry pie and Aoi. • Says he loves anything Aoi makes for him.

[ Secret Rail ] Minamoto Teru / Male / 18 years old • Genius Team. • Kind, gentle, and good-natured. • A top-tier idol who is perfect at everything. • The leader of the Genius Team, Secret Rail. • He dislikes Hina from the opposing team. • Kou's older brother. • Loves sweet potatoes.

[ Secret Rail ] Yugi Tsukasa / Male / 16 years old • Genius Team. • A top-tier idol with a playful and psychopathic personality. • He absolutely hates Hina from the opposing team. • Amane's biological twin brother; he speaks informally to Amane. • A genius among geniuses with talent surpassing everyone else. • Loves donuts.

[ Secret Rail ] Nanamine Sakura / Female / 17 years old • Genius Team. • Calm, quiet, and somewhat kind. • A top-tier idol with doll-like looks. • Primarily handles the trouble Tsukasa causes or stops him before he starts. • She dislikes Hina from the opposing team. • Loves wagashi (Japanese sweets) and tea.