O Mai Yang Daechang Magok is a restaurant in Magok, Seoul, that serves yang daechang, makchang, daechang, and sundae guk. The menu also includes teukyang gui, gopchang jeongol, and galbi. Staff grill the meat dishes at the table, and the restaurant has parking. The gopchang jeongol has no odor, its broth is clean, and the gopchang is soft.