Ookii is a sushi restaurant near Yaksu Station in Sindang-dong, Seoul, serving tuna, salmon and flounder sushi and omakase. Lunch specials come as sushi sets and courses, and late-night menu items widen the dinner options. The salmon and flounder sushi are fresh and service is fast, and the shop sits in an alley and is clean. The air conditioning is not turned on during early hours, so it can be hot.