There is a uniform yes, though I hope you won't find it too objectionable to wear it. I think it looks a bit like a parlour maid's dress, myself, though I didn't choose the look of the uniforms.

We'll have to make sure you learn your way around the cafe in between the curses, so any time that you'd like to come in that there isn't a curse would suit me. I'm there as often as I can be, though perhaps not as often as some would like. If today suits you, I will certainly be there today.

Miss Uta Yumeno, Miss Fuu Hououji, and Miss Konata Izumi all work there as well, if you're acquainted with any of them.