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Akemi Miyano (宮野 明美 Miyano Akemi?), also known by her alias as Masami Hirota (広田 雅美 Hirota Masami?), is a character in the manga and anime franchise Detective Conan. Akemi is the older sister of Shiho Miyano, and both were members of the Black Organization. However, unlike her sister, Akemi was never considered a high ranking member of the Organization.

After completing a bank heist that was supposed to free her and her sister from the Organization, Gin and Vodka betrayed and killed her before Conan can save her. Akemi is one of the few characters in the show that knows Conan is Shinichi Kudo, as he admits it to her while she is dying in front of him, telling him about how dangerous the Organization is.

Although she dies in her first appearance, Akemi shows up numerous times throughout the series, mostly in episodes featuring Haibara, whom looks at Ran Mouri as a spitting image of her sister. It is also later learned that Akemi was the girlfriend of Shuichi Akai, back when he was undercover in the Organization, and wanted to begin a real relationship with him after she would have left.