The original version of the song was released as her 11th single on November 25, 2015, ranking 30th in the Oricon weekly single chart in its first week.
To promote the general sale of the tickets for her 2016 tour started today at major ticket agencies, anison singer Choucho has posted a three-minute clip featuring her singing “piece of youth,” the theme song for the Girls und Panzer der Film, in acoustic version on her record company Lantis’ official YouTube channel.
ChouCho - piece of youth [Official MV](『ガールズ&パンツァー 劇場版』主題歌)