Boseonggak Jungwhayori is an old Chinese restaurant in Songpa, Seoul, serving jjajangmyeon, ganjjajang, and tangsuyuk. Its tangsuyuk uses a hard, old-style batter rather than glutinous rice, and the menu also includes ganjjajang and Boseongmyeon. As a nopo, the dining room is small and food takes time to arrive. The worn, messy interior is a drawback for anyone who prefers a clean, modern space.