Matsui Sakiko (松井咲子), nickname "Sakippe" (さきっぺ), born on December 10th, 1990 in Saitama, Japan is a Japanese idol singer, as well as a member of idol group AKB48's Team A. Concurrently as a student specializing in piano at Tokyo College of Music, Matsui released a piano instrumental album "Kokyuu Suru Piano" (呼吸するピアノ) on October 3, 2012.

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