Haengboki Ssaetteumyeon is a noodle shop near Gangnam-gu Office Station in Gangnam, Seoul, serving janchi guksu, bibim guksu, and bibimbap. The bibimbap can be topped with seafood or donbulgogi, and a mini bibim guksu is also available to order. Arriving around 11:30 a.m. for lunch avoids a wait, while dinner is relatively relaxed. The small space causes a wait at lunch.