Dokdo Chamchi is a tuna restaurant in Seoul that serves tuna hoe and sushi, housed in an old building with a bar in the center and tables along the edges. You can order the regular mixed platter or sushi, and the tuna is thawed in decent condition. The owner and the manager respond in a friendly manner, and the tuna hoe can be refilled. The tuna is at a plain level rather than focused on premium cuts.