佐藤聡美
"Unmei♪wa♪Endless!" is a single used as the opening theme for the K-ON! film. Song by Aki Toyosaki as Yui Hirasawa, Yōko Hikasa as Mio Akiyama, Satomi Satō as Ritsu Tainaka, Minako Kotobuki as Tsumugi Kotobuki and Ayana Taketatsu as Azusa Nakano, it was released on December 7, 2011 in Japan by Pony Canyon where it debuted at fifth in the rankings on the Oricon weekly singles chart.