Sugimoto showed up in Captain Tsubasa pretty early on—chapter 51 of the original series—as a first-year middle schooler at Nankatsu when most of the main cast were already third-years. She's best known for being the second assistant manager during the Boys' Fight arc, basically keeping things running behind the scenes. Her cheerful, straightforward personality made her a reliable presence throughout the series, even as the team evolved. Fans often note her plucky energy and relentless optimism, which came through in every appearance. Beyond the main manga, she also showed up in the Holland Youth special and stuck around supporting Nankatsu through the end of the Golden Generation's high school years.
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