But what shall we play then, I wonder?

How about this?

You try not to get hit by the rain...

Keep going until the very limit... Referring to nearing the edge of cover the roof is providing

That kind of game.

It'll be especially nerve wracking during the young mistress' turn Referring to how she'll get hurt if she gets hit by the rain

It's hard to tell if I got hit or not... Since she won't sizzle or anything like Flan would