In Chinatown which I will try to remember is adjacent to Leicester Square we went for sushi. Sustainable sushi so no tuna and not much variety of anything else. It was fine for an after theatre bite if you are in the area and must have sushi which my kids felt they had to do. But I would not recommend it. We sat upstairs in at a cramped table and discussed Bitter Wheat and things to do in London. It was a nice end to a evening as the service was quick and the bill was dropped on the table and you pay as you leave at the door rather than having to wait to hail down your server. I have nothing else to say on the subject.