Boseung Hoegwan Gangnam Station Seocho is a Korean restaurant in Seocho-dong, Gangnam, serving sundae guk, suyuk gukbap, and bone gamjatang. The broth is made with pork bone, and the suyuk and sundae come alongside it; the suyuk ramyeon is served with both noodles and rice. It is open 24 hours, so you can eat late, and the gukbap, meat, and sundae are prepared in advance and boiled to order. The meat in the bone haejangguk can be tough or chewy.