One Day

One Day is the 25th single by SPYAIR. It.

Single Information
The lead track One Day was used as the ending theme for the anime Haikyu!! To The Top.
 * Catalog Number: AICL-3958/9
 * All Lyrics: MOMIKEN
 * Composition: MOMIKEN (Track 1), UZ (Track 2-3)
 * Arrangement: SPYAIR (Track 1), UZ (Track 2-3)

Disc 1

 * 1) One Day
 * 2) I'm・A・Believer (アイム・ア・ビリーバー)
 * 3) Imagination (イマジネーション)
 * 4) One Day (Anime Size)
 * 5) One Day (Instrumental)

Disc 2

 * 1) Imagination -1st season opening-
 * 2) I'm・A・Believer -2nd season opening-
 * 3) One Day -TO THE TOP 2nd ending-