Hayonok Jamsil is a naengmyeon restaurant in Jamsil, Seoul, serving Jinju naengmyeon and yukjeon. Its main dish is Jinju naengmyeon topped with yukjeon, and it also sells bibim naengmyeon, geohongmyeon, and galbitang. The Jinju naengmyeon uses a soy sauce base broth with chicken, pollack, anchovy, and seafood, topped with yukjeon, suyuk, boiled egg, and jidan. Water and side plates are self-service, so customers must get them themselves.