Country Musume (カントリー娘。, Kantorī Musume) was a Japanese female idol music group that is a part of Hello! Project. On November 5, 2014, Country Musume was rebooted and renamed Country Girls (カントリー・ガールズ, Kantorī Gāruzu) with new members.
Source: “Miuna Saito”, English Wikipedia (CC BY-SA 4.0), excerpt