Happy!? Sorry!! (GAME Mix) is an alternative version of the Sakuragaoka High School's Light Music Club's song Happy!? Sorry!! which appeared as a playable song in the video game K-ON! Ho-kago Live!!, performed by Ho-kago Tea Time. 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 Yui Hirasawa's voice actress Aki Toyosaki, written by Shouko Ohmori, composed by Shinji Tamura and arranged by Shigeo Komori.