Yangyangzip (Guui) is a Korean restaurant in Guui-dong, between Guui Station and Gangbyeon Station, serving seonji haejang-guk, yukhoe bibimbap, and Hanwoo tang. The yukhoe bibimbap and seonji haejang-guk come with kkakdugi and kimchi. The dining room is large and clean, and the seonji haejang-guk is also available for takeout. The yukhoe bibimbap falls short in flavor.