[Maria may not look like the most likely cork gun wielder nearby, given her delicate, pale blue and pink yukata, but as soon as she lays eyes on what Soleil has in her hands, she smiles a little.]

Ah, it's a cork gun game. You shoot at the targets at the back of the stall, and you win something if you knock one off. I can show you how to hold it, if you like.

[It's not exactly as if Maria's unfamiliar with people using firearms around her.]