I don't really know whether this is supposed to be usami renko or just an original steampunk-y girl outfit. The commentary on this, or the other post, does not reveal any link with touhou or renko.

@redtails Base on this tweet, it was displayed at a Touhou Cosplay Exhibit. The outfit seems to be for one of Alice's dolls that is featured for a CD cover. She wears it here.