Muji Lotte World Mall is a lifestyle goods store selling clothing, furniture, stationery, kitchenware, and food, located inside Lotte World Mall. It carries ingredients, retort foods, and a songpyeon kit, and at the back there is an unmanned cafe selling only americano along with tables. Visitors can do a drip bag making activity, and a water purifier provides free water for tumblers or bottles. The store sits in a corner, so you have to walk from the subway station to the far end of the mall to reach it.