As A Sa is the first Mandarin studio album by Hong Kong pop singer Charlene Choi. It was released on June 15, 2010. The three singles are released from album: Would Love to Win Fight (a theme song for Taiwan drama Calling For Love) and a song Another Me (recorded for her first EP) in 2009. Third single was "Confidant". Album also contains opening song 2 - 1 for her Debut Album.
In 2009, Choi start to record her first EP Another Me (released on October 15, 2009) and her first Mandarin studio album. The album, entitled As A Sa, was released on June 15, 2010. For a second time, album is released on June 16.