Beauty Butterfly / Hoshizora to Kumo

 is the fourth major single (seventh overall) and final release by Caramel☆Ribbon. It was released on September 21, 2016.

Tracklist

 * 1) Beauty Butterfly
 * 2) Hoshizora to Kumo (星空と雲)
 * 3) Beauty Butterfly (Instrumental)
 * 4) Hoshizora to Kumo (星空と雲) (Instrumental)

Featured Members

 * Ueno Amane
 * Yoshinaka Aoi
 * Fukata Seina

Trivia
With this single Caramel☆Ribbon considered themselves artist singers instead of idols. The cover and photos for this single show the members wearing matching dresses and fake pearl necklaces. There is no indication that they even have member colors.