Sojibo Diversity Tokyo Plaza is a halal-certified soba restaurant on the sixth floor of Diversity Tokyo Plaza in Odaiba. It serves zaru soba and warm soba with sets of tempura or rice bowls. Buckwheat tea on the table is free and refillable, and orders are placed by scanning a QR code with a phone. At lunch or dinner, the wait can run from 10 to 30 minutes.