Ubo-ok is a Korean restaurant in Busan that serves Pyongyang naengmyeon, gomtang, and ramen. Its Pyongyang naengmyeon centers on buckwheat-scented noodles and a broth with a strong meat flavor. The noodles are nutty and the seasoning is moderate. The bibim noodles have a pronounced gochujang taste that leaves something to be desired.