First Secret / Nanairo no Niji Mukou ni

 is the second major single released by Caramel☆Ribbon.

Tracklist

 * 1) First Secret (ファーストシークレット)
 * 2) Nanairo no Niji Mukou ni (七色の虹の向こうに)
 * 3) First Secret (Inst.)
 * 4) Nanairo no Niji Mukou ni (Inst.)

Featured Members

 * Ueno Amane
 * Yoshinaka Aoi
 * Fukata Seina