Shirokiya is at 30 Donghu Lu (near Xinle Lu), a street teeming with teppanyaki joints and home-style Shanghai restaurants and hotels. Shirokiya consists of a black wood-panelled shop front leading up marble stairs into a warren of sliding screen doors. Once ensconced, you get to pick anything you want, and as much as you want, from their menu. For ¥168 (¥158 if you book ahead) you can gorge on sushi, sashimi, tempura, udon, soba, and drink as much sake, beer or spirits as you like. Not bad when you consider that many single dishes of sushi cost up to 100 RMB in regular Japanese eateries. The quality of Shirokiya’s stuff is pretty decent. The fish is always fresh and the portions are bi