Innocent Bubble

 is the 44th single by Okui Masami.

Tracklist

 * 1) Innocent Bubble (イノセントバブル)
 * 2) Ano Goro no Boku to Ima no Boku (あの頃の僕と今の僕)
 * 3) Innocent Bubble (イノセントバブル) (Off Vocal)
 * 4) Ano Goro no Boku to Ima no Boku (あの頃の僕と今の僕) (Off Vocal)