Chon Guksu is a restaurant in Busan that serves noodles, tteokguk, bibim dangmyeon, and bibimbap. Its gul tteokguk contains 20 oysters, and it also serves kongnamul bibimbap and sogogi tteokguk. The restaurant draws enough of a crowd that a wait forms, and noodles are available only outside lunch and dinner hours. Parking is difficult.