As a double A-side single with another insert song “Gohan wa Okazu,” it was released on September 8, 2010.
“Taketatsu Ayana LIVE HOUSE TOUR ‘A'” including the 20 songs performed at Shinjuku ReNY in Tokyo on June 15, 2019, is set to be released exclusively on her official mobile fan club site “Ayana Koukoku” and Pony Canyon’s official online store Canime on November 6, 2019.
Both songs were performed by the anime’s five-member rock band Houkago Tea Time at the school festival in the episode.
竹達彩奈「U&I」(TVアニメ「けいおん!」 カバー) from LIVE HOUSE TOUR 2019「A」