Girls & Peace is the first release by all the members since their third Korean studio album "The Boys" (2011), after the group entered a semi-hiatus to pursue solo activities in South Korea, in which time Girls' Generation-TTS, the group's first subunit, was created.
"Girls & Peace" adalah rilis pertama oleh semua anggota sejak album studio ketiga Korea mereka "The Boys" (2011), setelah kelompok memasuki hiatus semi-untuk mengejar pasangan kegiatan di Korea Selatan, di mana waktu, TaeTiSeo, subunit pertama kelompok diciptakan.