Teppan Dining SAYA, Shinjuku Naito serves okonomiyaki and teppan dishes near Shinjuku Gyoen. Its signature dish is Hiroshima-style okonomiyaki, available at lunch as well, and many local diners eat here. The interior is quieter than the exterior suggests, so meals can be eaten slowly. A chef grills the food in front of diners at the teppan counter.