Vivid brilliant door!

 is the 17th single by sphere.

CD

 * 1) vivid brilliant door!
 * 2) Imagination wa Owaranai (イマジネーションは終わらない)
 * 3) vivid brilliant door! (Off Vocal)
 * 4) Imagination wa Owaranai (イマジネーションは終わらない) (Off Vocal)

DVD

 * 1) vivid brilliant door! (Music Video Clip)