[A] [(1)] When your "Yuko" or ::Sun:: wins a battle, you may pay cost. If so, Synthesis: (2).
Tool Skill: Choose 1 of your members, and for the turn or until the end of the battle in which that member is participating, that member gains +2000*X power. X = total # of your "Yuko" and ::Sun::.
English Flavor Text
It's okay even if you're not good at it. What's important is singing your best.