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|Japanese Name||三輪 皐月（みわ さつき）|
|Romanized Name||Miwa Satsuki|
|English Name||Satsuki Miwa|
Satsuki Miwa (三輪 皐月 Miwa Satsuki) is a cool-type idol and Sakura Kitaōji's roommate. Her preferred brand is Swing Rock.
Satsuki has fair skin and slanted teal eyes that she wears a pair of red glasses over. Her purple hair is worn up in a mohawk style, with streaks of acid green on the sides. Her bangs are styled separately, while her thin forelocks are chin length. She has slightly thick eyebrows and wears gold loop earrings.
Despite her punk appearance, Satsuki is a cheerful and easy-going girl with a lot of confidence. When performing she is much livelier and spirited.
- She and Sakura's were partners for the Partners Cup.
- In Episode 82, she was seen wearing Swing Rock's Madras Check Coord, hinting that her primary brand is Swing Rock.