Dongwon Chamchi Insadong Branch is a tuna restaurant in Insadong that serves tuna hoe as its main dish. It offers tuna and salmon sets along with sushi, and staff explain the different tuna cuts and how to eat them. The staff guide diners through the tuna cuts and the ways to enjoy them, and the space allows for quiet gatherings. The basement indoor seating has weak heating and tends to be cold.