They also collaborated with other artists, with Uji collaborating with The Channels on the single "Love Letter" and Chad Future's "So Good", Dahye featuring on Yoo Se-yoon's "We Fought", and Hyeyeon featuring on Just Cricket's "Perfect Chemistry".
Mereka juga berkolaborasi dengan artis lain, dengan Uji berkolaborasi dengan The Channels pada single "Love Letter" dan Chad Future's "So Good", Dahye menampilkan pada "Yoo Se-yoon" We Fought ", dan Hyeyeon tampil di Just Cricket's "Perfect Chemistry".