Niji no Yakusoku

 is the fourth single by Komatsu Mikako. The lead track was used as the theme song for the anime Majocco Shimai no Yoyo to Nene, while the instrumental for Track 2 was used as background music in the anime.

Information

 * Lyrics: Komatsu Mikako (Track 1, 2, 3), Hirao Takayuki (Track 1), Shiina Go (Track 1, 2)
 * Composition: Shiina Go (Track 1, 2), Hoshino Junichi (Track 3)
 * Arrangement: Yo Keigo (Track 1), Miyano Sachiko (Track 2), Hoshino Junichi (Track 3)
 * Brass/Strings Arrangement: Tateyama Akiyuki (Track 1)

CD

 * 1) Niji no Yakusoku (虹の約束)
 * 2) Dear My Wish
 * 3) Always (Limited Edition Only)
 * 4) Niji no Yakusoku (虹の約束) (inst)
 * 5) Dear My Wish (inst)
 * 6) Always (inst) (Limited Edition Only)

Limited Edition DVD

 * 1) Niji no Yakusoku (MV)