The project also consisted of groups Nice Girl Mu (ナイスガールμ), GTT Club (GTT倶楽部), and MM Gakuen Gasshoubu (ＭＭ学園 合唱部); and soloists Kafumio (何文櫻), Peach (Momoko Otsuka), and Karen Kato prior to their disbandment or departure.
was dropped as an act in 2015 and all information and social media was removed from TNX's official website.
In the same year, one of their flagship groups, The Possible, was renamed "Ciao Bella Cinquetti" and transferred to Up-Front Works.
's activities ended, with all information and social media from Nice Girl Project!
The Possible was renamed "Ciao Bella Cinquetti" and transferred to Up-Front Works,[3] while the rest of the acts were dropped.