COLORFUL BOX

 is a song covered by Morfonica.

It is one of the challenge songs for the event Girls be ambitious!

It was originally sung by Ishida Youko and was used as the first opening theme song for the anime.

Video
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Live Performances

 * October 28, 2021: Amabile at Zepp Osaka Bayside
 * November 5, 2021: Amabile at Zepp Haneda