来栖夏芽(旧衣装)
The original default/debut costume of [[Nijisanji]]'s [[Kurusu Natsume]], as seen in post #3731988. 

It consists of a [[strapless dress|strapless]] [[black dress]] with a [[detached collar]], [[brown gloves|brown]] [[elbow gloves]], black [[corset]], [[black skirt]], grey [[belt]], and black knee-height [[high heel boots]].
kurusu natsume (old design)