[This guy seems legitimately worried, so Asaka sets her hand and money down on the table for the moment, her smile lightening a little.]

I don't think it would be a problem. After all, we're not the ones winning anything, are we? It all goes to charity. So there's really no reason for someone who doesn't understand it to gamble their life away.

[Or at least, she assumes that would solve the usual problem with underage gambling. It's not as if she hasn't played her share of betting games herself even without being "allowed".]