As I deleted my reply to a comment by accident, I’ll just post this here too.
“Hi. I thought I recognized Utsunomiya, and it seems there’s an Toranoana store over there too. You should probably be able to find a bunch of Touhou items in there as they usually carry lots of interesting items.
Check this link for a map and information about the store in Utsunomiya:
http://www.mandarake.co.jp/en/shop/utu.html“