1. Farmers' market or bazaar: Look for vendors or shops to buy black sesame seeds at local farmers' markets or bazaars. Vendors or shops often gather in specific areas of fairs or markets, and you can ask them about the price and quality of buying black sesame seeds.
2. Supermarket or grocery store: Look for black sesame in the local supermarket or grocery store, and there will be information or contact information for buying black sesame.