"Go hungry and order as much as you can" advise the initiated at this perennially "packed" Japanese mini-chain where the "quality", "all-you-can-eat" sushi "never stops" (a "long enough" à la carte menu is also offered); sure, there's "not much atmosphere" and service can be "indifferent", but devotees still insist the "bargain" is "hard to beat"; P.S. the Bucktown and Lincoln Park locations...