Tachibana House of Shinsegae Gangnam is a restaurant selling Japanese ramen at House of Shinsegae in Express Bus Terminal Station. Its signature dish, vongole shoyu ramen, uses a clear clam broth simmered with clams and kelp, topped with chashu. It opens at 10:30 a.m., the same as the department store, and you can join the queue through CatchTable or the Shinsegae app, with free extra rice. During meal times, waits run from 30 minutes to 1 hour 40 minutes.