You’ve got to visit Cospatio. Everybody knows to visit the craft stores when you need crafting supplies, but sometimes you’ll be surprised by what you can find at a hardware store or auto shop. Looking for Shonen Jump cosplay? It gives me a good idea of what’s available, different costs of pieces vs. Yes, they also sell the outfit of Shinobu Kocho, the most badass character in Kimetsu No Yaiba.