And with the theme, too... vaporwave feels so out of place in a diner.
Maybe if it was some kind of themed pop-up restaurant, but a diner?

[Predictably, Jiro's already grinning and laughing to herself - and she doesn't even bother keeping it in as a waitress wheels over to get their order.

And it's a simple order, at least from Jiro; a nice, hefty burger and a big enough shake for them to share. As for Momo? She lets her handle that herself.
The last thing she'd wanna do is under-order for her, all things considered.
But then, quietly, and as she leans in conspiratorily -]

... The uniforms are awful.