K-ON! Character Image Song Series Vol. 3: Ritsu Tainaka is the third volume of the first season's "Character Image Song Series", featuring Ritsu Tainaka. The album contains the songs Girly Storm Shissou Stick, Mezase Happy 100%↑↑↑ and Ritsu's version of Let's Go, as well as their respective instrumental versions. The songs are sung by Ritsu's voice actress Satomi Satō. The album was released on 26 August 2009 alongside Tsumugi Kotobuki's and Azusa Nakano's respective versions.