Ring Ring Rainbow!!

 is the 11th single by YuiKaori. It was released on August 5, 2015, and peaked at #19 on the Oricon single chart.

Single Information
The lead track Ring Ring Rainbow!! was used as the opening theme for the anime Castle Town Dandelion.
 * Catalog Number:
 * KICM-1606 (Limited Edition)
 * KICM-91605 (Limited Edition)
 * Lyrics: Isogai Yoshie (Track 1), Motoki Zakuro (Track 1), Eiko (Track 2)
 * Composition: Ono Takamitsu (Track 1), TSUGE (Track 2)
 * Arrangement: Yamaguchi Akihiko (Track 1), TSUGE (Track 2)

Limited Edition CD

 * 1) Ring Ring Rainbow!!
 * 2) Calling Calling
 * 3) Ring Ring Rainbow!! (off vocal ver.)
 * 4) Calling Calling (off vocal ver.)

Limited Edition DVD

 * 1) Ring Ring Rainbow!! (MUSIC VIDEO)
 * 2) Ring Ring Rainbow!! (MAKING)

Regular Edition CD

 * 1) Ring Ring Rainbow!!
 * 2) Calling Calling
 * 3) Ring Ring Rainbow!! (TV size)
 * 4) Ring Ring Rainbow!! (off vocal ver.)
 * 5) Calling Calling (off vocal ver.)

Featured Members

 * Ogura Yui
 * Ishihara Kaori