Sukiya

Sukiya in Tsukiji, Tokyo, is a Japanese rice-bowl restaurant serving gyudon, curry rice bowls, and udon. It offers one-meal items such as kimchi gyudon and bulgogi udon, and small sizes are available. Orders are placed on a tablet at the seat, and food arrives almost immediately, in as little as one minute. It is open 23 hours and serves meals in the early morning on weekdays.