Coloring

 is a single by Horie Yui.

Regular Edition CD

 * 1) Coloring
 * 2) Monochrome (モノクローム)
 * 3) Coloring (off vocal ver.)
 * 4) Monochrome (モノクローム) (off vocal ver.)

Limited Edition DVD

 * 1) Coloring (MUSIC CLIP)