Niji-iro fanfare Miraigumi 06

 (虹色fanふぁーれミライグミ06) was an idol group formed as a "2.5D" group that would work in collaboration with Vocaloid producers and internet artists. They debuted on October 31, 2015.

They were named simply Niji-iro fanfare (虹色fanふぁーれ) until December 3, 2017.

They stopped activities on January 26, 2019.

Current Members

 * Tsuzuki Urara (都築麗) - Leader
 * Asahina Yoshika (朝日奈和架)
 * Kunisawa Shiho (國澤志帆) (Joined December 3, 2017)
 * Fukuyama Chinatsu (福山千捺) (Joined December 3, 2017)
 * Kusanagi Maho (草彅真帆) (Joined December 3, 2017)
 * Sagamine Satomi (三ヶ峯聡美) (Joined December 3, 2017)

Former Members

 * Sawashiro Natsumi (沢城菜月実) (Left September 2017)
 * Hiramatsu Ayana (平松あやな) (Left September 2017)
 * Kanbe Maria (神戸まりあ) (Left September 2017)
 * Rensui Karen (蓮水花恋) (Left September 2017)
 * Ichinose Ayaru (一ノ瀬彩瑠) (Left September 2017)

Mini Albums

 * [2016.10.30] Title Mitei (タイトルミテイ)

Singles

 * [2015.10.31] Nijiiro Omoi (ニジイロオモイ)
 * [2016.06.30] Douse Boku ga Shindatte Komyu Sawa wa Naoranai (どうせ僕が死んだってコミュ障は直らない)