On June 16, 2017, the finalists in survival show Produce 101 Season 2 were revealed and the group immediately started preparations for their debut, starting with recording their own version of the song "It's Me (Pick Me)", "Always" (which was first released as final song for Top 20 finalists), and "Never".
Pada 16 Juni 2017, finalis acara survival Produce 101 Season 2 terungkap dan grup segera memulai persiapan untuk debut mereka, mulai dengan merekam versi mereka sendiri dari lagu "It's Me (Pick Me)", "Always" (yang pertama kali dirilis sebagai lagu terakhir untuk finalis Top 20), dan "Never".