Iyo Iyo Sushi Gongdeok 1 is a small sushi restaurant in Gongdeok that serves only sushi omakase. The course includes sushi such as tuna belly, eel and monkfish liver, along with small plated dishes, and an encore is sometimes requested at the end. Dinner runs in two seatings, at 6 and 8, with entry starting five minutes before the reserved time, and there are counter and table seats. Weekend reservations are difficult.