First Secret / Nanairo no Niji Mukou ni

 is the second major (fifth overall) single released by Caramel☆Ribbon.

Single Information

 * Lyrics: Kodama Ameko (Track 1), Imaki Sasa (Track 2)
 * Composition: SHiNTA (Track 1), Imaki Sasa (Track 2)
 * Arrangement: SHiNTA (Track 1), Imaki Sasa (Track 2)

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

Trivia
With this single the members of Caramel☆Ribbon stopped wearing the big bows and ribbons.