Palette Project

Alt!! (アルト), also known as Palette Project, is a group of Virtual idol YouTubers. It consists of three members:
 * Nanami Rona 七海ロナ
 * Akatsuki Clara 暁月クララ
 * Tohsaka Yura 遠坂ユラ

Trivia

 * On 26 February 2019, it was announced that the voice actress behind Tohsaka Yura is taking an indefinite hiatus due to her poor health.