TV-Series
Description
Sara Midorikawa begins as a first-year student at Kirarigaoka Middle School, progressing to high school by season 3. Standing 163 cm tall, she is the tallest among her peers. Her distinctive emerald green hair features an angled cut, middle-split bangs, a single loose strand, and a long curled cowlick, paired with sharp magenta eyes. She notably wears a blue necktie instead of the standard pink bow.

Her cool, tomboyish exterior and rock-and-roll style often place her observantly in the background. She refers to herself using the masculine pronoun "boku." Despite this composed demeanor, she actively conceals a secret fondness for cute and fluffy things like rabbits and plush toys to maintain her idol image. This contrast sometimes surfaces, causing her to lose composure in overwhelmingly adorable situations. Skilled at improvisational songwriting and guitar playing, these talents contribute to her charismatic stage presence and peer admiration.

As a Cool-type idol affiliated with Romance Beat, she is a core member of Meltic StAr, later transitioning to Miracle☆StAr. Her coord evolves from Romance Beat Kiratto Coord in Season 1 to Passion Green Jewel Coord in Season 2, Cybercat Pink Coord in Season 3, and finally Melody Fantasy Illuminage Coord. Her performances emphasize musicality, often featuring guitar.

Key relationships define her. She shares a childhood friendship with Anna Akagi and Mel Shido, understanding Anna's willful behavior and frequently intervening to prevent conflicts, especially between Anna and Emo Moegi. Her bond with Mirai Momoyama involves mutual support; Mirai helps Sara hide her affection for cute things. A rivalry exists with Suzu Kurokawa, who competitively acknowledges Sara as the "coolest idol" during events like the Dia Festival.

Her family includes parents and a younger brother named Taro. Her surname "Midorikawa" combines "green" (midori) for her hair and "river" (kawa), while "Sara" derives from meanings like "lady" or "independent." Her June 9 birthday coincides with Japan's Rock Music Day, aligning with her musical style. Her favorite food is steak, her blood type is O, and her favorite song is "My Secret heArtbeats."

Throughout the series, she navigates dual identities—public coolness versus private vulnerability—and advances through school years while evolving as an idol. Her role expands in group dynamics, balancing mentorship in Meltic StAr with collaborative growth in later teams, illustrating a trajectory from reserved performer to integrated team member.