Anyone know of any Japan themed backgrounds available? Non csc preferred thank you! (trying to make a ghibli themed avatar and don't have many bgs that work)

Your Kiki looks amazing! These aren't super Japan-specific but they might help you out:

The best places to look for Asian-inspired items here are Five Seven Five, Fine Fabrics, and the Faded Memories Plot Prize Shop. Also the Hanazaki and Chajin items in the Cash Shop! And some of the Delish sets, too!

Only ones that come to mind are and

there's also this one [item=Awash, Among, Afloat Print] Awash, Among, Afloat Print at the Dephi Art museum. Good if you're doing a Ponyo theme cosplay I guess.

a bit expensive but they work im not sure this is what you seek though :c