I think it would be...novel. Maybe just to try.

[All things considered she could make the educated guess that she probably won't like it, but...well. They're taking time off from adventuring for themselves, anyway, and it couldn't hurt. And it might be a nice distraction for Alucard. And even if the actuality doesn't pan out in the long run, maybe just the fantasy of it is worth it all in itself. Like telling bedtime stories. Like being romantic just for the sake of being romantic.]

If it's not too much trouble.

[...]

Besides, then you'll have more of your shirts back!