If you accept more major youkai, I'd be interested to see a Mima player or Winged (Touhou 3 PoDD) Marisa. Also, my request for Unzan remains.
Mima, yes. But not for this game.
Marisa, maybe, but definitely not for this game, as she's on holiday or something.
Unzan, most likely, but not for this game either.
Seihou Marisa has artificial wings, much similar to that of Flandre.
Meanwhile, in Touhou 3 her wings were much similar in appearance to that of Utsuho's cape and were true wings. She just never uses them.
Then we'll have a two winged Marisa's, but I've more urgent characters to make. :3
EDIT: CHEN A (pre-Bombs version, though) is uploaded. Just to see what people think of what I've done with it.