In 2007, SAWA made her debut as a singer and lyricist with the release of the game "The World Ends with You," produced by Square Enix. A few years later, she worked on the Japanese animation soundtrack for "K-ON! the Movie". Her work is not limited to anime and games. In 2013, she succeeded in experimenting with traditional folk songs. As a member of the WA-League, she toured in Peru and Ecuador to celebrate the 140th anniversary of diplomatic relations between the two countries.