The slate- and pebble-covered hallway leads to a cosy, bamboo-clad room with only nine seats. Chef Oshino worked at a renowned sushiya for ten years, before opening his own shop tucked away in a corner of this mall. Sushi is his speciality and forms the backbone of his set and omakase menus, interlaced with sashimi. Sushi rice from his home prefecture Yamagata is dressed with vinegar and hand-pressed into nigiri, though not strictly in Edomae style.