KOIHANA

 is the fourth and final single by rhythmic. It, and peaked at #100 on the Oricon singles chart.

CD

 * 1) 恋花-KOIHANA-
 * 2) R.H.Y.
 * 3) 恋花-KOIHANA- (Instrumental)
 * 4) R.H.Y. (Instrumental)

DVD

 * 1) 恋花-KOIHANA-
 * 2) 恋花-KOIHANA- (Bonus Footage)
 * 3) R.H.Y. (Bonus Footage)