Wasabi is under the fish. Nigiri sushi is Tokyo-style, but now the common sushi served all over the land. Edo is the old name of Tokyo. Kakomi sushi Nigiri sushi wrapped all around with nori to keep wet or loose ingredients inside. Also called funamori or gunkan maki .
Examples are uni, tobiko, ikura, and 'spicy mixes'.
One order is one roll, cut into five or six pieces. Also called nori maki . You get 6 to 8 very square pieces. This is another Osaka style not often found in other places. Tsuma Any vegetable garnishes that accompany sashimi.