Mio Tomonaga (朝長 美桜, Tomonaga Mio, May 17, 1998) is a former Japanese idol singer, and a former member of the idol girl groups HKT48 and AKB48. In HKT48, she was in Team KIV, and in AKB48 in Team B.^{[1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25]}

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You can help expand this article with text translated from the corresponding article in Japanese. (May 2015) Click [show] for important translation instructions. View a machine-translated version of the Japanese article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Consider adding a topic to this template: there are already 3,691 articles in the main category, and specifying|topic= will aid in categorization. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing Japanese Wikipedia article at [[:ja:朝長美桜]]; see its history for attribution. You may also add the template {{Translated|ja|朝長美桜}} to the talk page. For more guidance, see Wikipedia:Translation.

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On March 30, 2016, Mio Tomonaga released her first photobook, titled Hinata. With approximately 10,000 copies sold in the first week according to Oricon, it debuted in the second place of the Oricon Photobook Chart and in the 20th place of the general Oricon Book Chart.^[26]