Chunhachudong Kalguksu Main Branch in Seodong, Busan serves kalguksu, kongguksu, and bibim kalguksu. The broth is made with anchovies, the noodles are made in-house, and the cold kong kalguksu uses beans ground on site. The kalguksu broth is deep and clean, and the noodles carry little of their own smell. The kimchi is served fermented to go with the kalguksu.