Glitter Particle (グリッタパーテカル Guritta Paatekaru?) is an explosive attack used by Utau when she is in the form of Dark Jewel.
When Utau uses this attack, she produces a powerful blast that can knock her enemy out of his or her Character Transformation.
Fanon Description by Caramelangel714Edit
This is also Geisha Lolita's signature attack, when learning with Utau.