Manghyang Bibim Guksu Gwangjin-gu Branch is a noodle shop in Gwangjin-gu, near Achasan Station, serving bibim guksu and janchi guksu. The signature bibim guksu mixes medium noodles with a sweet-and-sour sauce, and the spice level comes in three choices. Customers pay at a kiosk first, then take a seat, with extra side dishes and broth self-service. The anchovy broth is on the salty side.