Ishimaru

Most sushi origin stories trace a single line: a decade scrubbing rice at a famous Tokyo counter, then independence with the master's blessing. Chef Numari Hiroyuki has no such line. He ran a kaku-uchi standing-sake corner, then a casual standing bar for ten years, and only in August 2020 did he reopen the room as a sushi counter built around the Edomae classics he taught himself. To a purist this absence of lineage is the catch — and the kill-switch is honest about it: there is no famous name behind him, and the room has only existed in its current form since 2020. But what self-teaching costs in pedigree it can repay in conviction, and the work here is anything but improvised.

Saitama is a landlocked prefecture (海なし県), and that fact governs everything. There is no morning boat, no local port, no chi-no-ri (地の利) in the literal coastal sense that a place like Toyama enjoys. Every counter in the prefecture buys through Toyosu, and so the real measure of a Saitama chef is the quality of his middleman line rather than his proximity to the sea. Numari's answer is a dedicated route through Fujita Suisan (フジタ水産), a relationship that lets an inland counter punch far above its postcode. The technique that follows is unmistakably classical: aging the fish to deepen it, the careful shime (〆) curing of silver-skinned fish — reportedly distinguishing male from female in the process — and a red vinegar akazu (赤酢) from the Kisaichi Brewery (私市醸造) folded through the rice.

Expect a small, deliberate box: an eight-seat counter with a single private tatami room behind it, one seating a night, fully reservation-only with arrivals between 6:00 and 7:30. The full omakase runs to roughly eleven pieces of nigiri after five small dishes, while a nigiri-forward course keeps the focus almost entirely on the rice and the fish. This is a counter where the chef works largely alone, close enough that the meal feels like a conversation. The accolades — Tabelog Hyakumeiten EAST 2025, a Tabelog Award Bronze — confirm that the self-taught path arrived somewhere real.

On practicalities, read the price carefully. The nigiri-forward course at around ¥16,500 sits comfortably within budget; the full ¥27,500 omakase, once drinks are added, can push past ¥30,000, so choose your course with intent. Photography appears to be tolerated — detailed dish photos circulate widely online — but it is not formally confirmed, so confirm at booking along with the service charge and the exact course content. Omiya is a ten-minute walk from the west exit of the station and an easy run from central Tokyo, which is precisely how to frame this place: not a destination unto itself, but the most rewarding sushi day-trip the capital's northern edge can offer.