Divas of the battlefield. They are part of the Blue Storm too.
[AUTO](RC):[Counter Blast (1)-card with "Blue Storm" in its card name] When an attack hits a vanguard during the battle that this unit boosted, if you have an «Aqua Force» vanguard, you may pay the cost. If you do, choose up to one «Aqua Force» from your hand, and call it to (RC).