Saito provided vocals to "Kimi to Boku 2010" for Tokyo Ska Paradise Orchestra's 2010 album "World Ska Symphony". His own album, "Are You Ready?", was released in October 2010 and won an Excellent Work Award at the 52nd Japan Record Awards. His music video for "Zutto Suki Datta", which recreated The Beatles' rooftop concert, later won Best Male Video at the 2011 Space Shower Music Video Awards.