Some PR folks from Sushi, Inc. contacted SmartShanghai to get this new venture from Haiku by Hatsune on our radar. Raised on sushi myself (childhood consisted of nary a home-cooked roast for yours truly) I felt it my duty and purpose to visit the other side of the pond and mix it up in the Lujiazui business district with some raw fish. Ambiance: Citigroup Tower, Floor 2. Personally, I prefer not to dine in any structure dubbed "Tower" unless it was thus dubbed by Ludwig the Mad King of Bavaria. Tower eateries generate an airport ambiance, and I find myself continually checking for my passport. In the case of Sushi Inc., the outdoor patio where I hunkered down was actually an indoor balcony overlooking the building's sleek lobby. I sat with my back facing the lobby for a view of a trickling wall of water: rather soothing. In fact, the entire dining experience resonated with an aura unusual this side of the Huangpu: quiet. I started off with the Hiyayakku Tofu. Presentation made a good impression; a delicate slab of creamy white tofu doused in dark green seaweed and light green scallions was as pleasing to the eye as to the palate. Next to arrive was the Wasabi Challenge, eight cut rolls of tuna and cucumber slathered in the Rising Sun's version of Tabasco. The rolls appeared on a two-foot slab of a plate, garnished with fish eggs as well as some unidentifiables, generating a murmur or two from fellow diners. I found the dish unexpectedly exigent