Mezase Happy 100%↑↑↑ (GAME Mix) (目指せハッピー100%↑↑↑(めざせ はっぴい 100%↑↑↑)(GAME Mix) Mezase Happy 100%↑↑↑ (GAME Mix)) or Aim for Happy 100%↑↑↑ (GAME Mix) is an alternative version of Ritsu Tainaka's Image Song Mezase Happy 100%↑↑↑ which appeared as a playable song in the videogame K-ON! Ho-Kago Live!!. It was produced by Pony Canyon and published on the 20th of March 2013 within the K-ON! MUSIC HISTORY'S BOX. The song was sung by Ritsu's voice actress Satomi Satō, written by Shouko Ohmori and composed and arranged by Hajime Hyakkoku.