Someday / Boys♥Girls

 is the 30th single by Koda Kumi. The single was the 12th and final release in her 12 Singles Collection, and the theme country of the cover art was Japan. Track 1 was used as the theme song for the drama Shin Kyoto Meikyuu Annai, while Track 2 was used as the theme song for the movie WATERS.

Information

 * 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)