Someday / Boys♥Girls

 is the 30th single by Koda Kumi. It was released on February 22, 2006, and peaked at #3 on the Oricon single chart.

The single was the 12th and final release in her 12 Singles Collection, and the theme country of the cover art was Japan.

Information
Someday was used as the theme song for the drama Shin Kyoto Meikyuu Annai Boys♥Girls was used as the theme song for the movie WATERS.
 * Lyrics: Koda Kumi (Track 1), Michikawa Himari (Track 2)
 * Composition: Egami Kotaro (Track 1), Shimono Hitoshi (Track 2)
 * Arrangement: tasuku (Track 1), Shimono Hitoshi (Track 2)

Tracklist

 * 1) Someday
 * 2) Boys♥Girls
 * 3) Someday (Instrumental)
 * 4) Boys♥Girls (Instrumental)