Nuri Sushi Tuna serves tuna and sushi on the second floor near Sinnonhyeon Station in Nonhyeon 1-dong, Gangnam-gu, Seoul. Cuts include otoro, chutoro, engawa and salmon belly, and the tuna is thawed with care while the rice is seasoned strongly and packed moderately. Both dine-in and takeout are available, and udon comes as a basic service. Prices run on the high side.