Taesanon Mandu Kalguksu is a mandu restaurant in Busan that serves mandu and kalguksu. The mandu wrappers are thin enough to show the filling, and the filling is soft and mild. The kalguksu combines chewy noodles with an anchovy broth, and the broth is the defining feature of the restaurant. Mandu options include kimchi mandu and meat mandu as the basics.