Cocoiro Rainbow

 is the third single by Narumi Kyoko. It was released on December 17, 2014, and peaked at #57 on the Oricon singles chart.

Single Information
Cocoiro Rainbow was used as the second ending theme for the anime Yama no Susume Second Season.

Tracklist

 * 1) Cocoiro Rainbow
 * 2) Yuugure After (夕暮アフター) (New Version)
 * 3) Cocoiro Rainbow (Instrumental)
 * 4) Yuugure After (夕暮アフター) (Instrumental)