MOON SIGNAL

 is the sixth single by sphere.

CD

 * 1) MOON SIGNAL
 * 2) Climax Whistle (クライマックスホイッスル)
 * 3) MOON SIGNAL (Off Vocal)
 * 4) Climax Whistle (クライマックスホイッスル) (Off Vocal)

Limited Edition DVD

 * 1) MOON SIGNAL (Music Video Clip)

Featured Members

 * Tomatsu Haruka
 * Kotobuki Minako
 * Takagaki Ayahi
 * Toyosaki Aki