Wangcho Barbecue Wangsimni Main Branch is a charcoal grill restaurant in Seongdong-gu, Seoul, serving seasoned charcoal barbecue and chicken barbecue. Udon noodles can be added to the seasoned charcoal barbecue. The store is large and has an open kitchen, and it gets crowded enough on weekends that there are no seats left. The spicy level is strong for people who do not eat spicy food.