It took a while but it was pretty fun!
Pink: Mangetsu (Granbelm)
Red: Roll (Mega Man)
Orange: Tau (OC)
Yellow: Nia (Xenoblade)
Green: Rotten Dollhart (Death end re;Quest)
Teal: Cure Milky (Star Twinkle Precure)
Blue: Cirno (Touhou)
Purple: Galatea (Yugioh)