Udo Seom Sonai is a fusion Chinese restaurant in front of Hagosudong Beach that serves seafood jjamppong and huttu pizza. Ujjam is a broth with a strong smoky fire flavor containing abalone, shrimp, and mussels, while baekjjam adds cream and cheongyang chili for a spicy kick. You register for a wait on-site through CatchTable and receive a phone notification. On a holiday at 1 p.m., 20 teams were waiting in front, and waits run long when boats arrive and during lunch.