Yes, there is a n huge depth behind Ayane. When I play with her I'm always afraid to constate that I know just the tip of the iceberg of her potential, there are so much moves and strings that I don't use...
I can play pretty much everyone to some extent. My Ayane is still pretty basic, though. I know her Bnb Combos and a few setups. I also know her frames to some degree. However, where I am most lacking is my spacing game and whiff punishment.