If this belongs in a topic, I apologize and I'll remove this asap.

I'm going to japan soon, and it's my first time. I'm very interested in buying stuff there but I dont really know what are the good shops to check out, or any japanese etiquette when in a shop.

For you guys who have been to japan, what has your experience been, what shops did you enjoy? or would it better to just go into random shops.

I'm more of a Toku guy, but I just want to explore