Manghyang Bibim Guksu Gangseo is a noodle shop in Gangseo-gu, Seoul, serving bibim guksu, janchi guksu, Paju Jangdan soybean kongguksu, and handmade mandu. The signature dish is bibim guksu, made with noodles thicker than somyeon but thinner than jjolmyeon and tossed in a spicy sauce. Customers pay in advance before ordering, then take water and hot anchovy broth themselves. The bibim guksu sauce is on the spicy side.