Emi is no stranger to large parties like this herself, her parents had thrown parties like this more than once before. And as such, she has a expensive dress for parties like these... which is obviously backless.

The servants were being professional when it came to obvious Numbered like herself or Rakka. And besides, Emi is from a rich family herself, it's hard not to want to order the servants around like she does at home.

"Evening, Rakka." As always, her voice came with a faint accent...