Gangnam Bok Kalguksu is a pufferfish restaurant near Gangnam Station in Seocho-dong, Seoul, serving bok kalguksu, bok twigim, and bok kkeopjil muchim. The bok kalguksu contains pufferfish, thick chewy noodles, cabbage, and cheonggyeongchae, and the A set includes bok twigim. Lunch draws a crowd, so group visits require a reservation, and rooms and private rooms are available. The seating is limited, making the lunch hour cramped and busy.