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Sakiko Matsui (松井咲子, Matsui Sakiko, born December 10, 1990 in Warabi, Saitama Prefecture) is a Japanese singer and pianist. She was a member of AKB48. Concurrently as a student specializing in piano at Tokyo College of Music, she has released a piano instrumental album Kokyū Suru Piano on October 3, 2012, which reached number 10 on Oricon's albums chart.[1][2]
On December 5, 2023, Matsui and comedian Kohei Ueda jointly announced through their respective social media accounts that they had registered their marriage on December 3.[5]
^Center and A-side lineup information provided by "AKB48 歴代シングル選抜メンバー（2006年～2013年）" [(2006-2013) AKB48 successive single member selection]. entamedata.web.fc2.com. Retrieved September 23, 2013.
