You need to have of those gun things out for this. It also works best that when it connects and the person is being flung across the screen that you go with them. It starts the same as her other distortions except when you get to where you press C or D press A instead. But if started on one side of the field and moves to other.
Unlock ALL the characters' 'Clear' ending in Story mode and complete the True Ending to unlock this playable character who is also known as 'Eye of the Azure'. This also unlocks Mu-12 stage and theme song.