Gongdeurim is a Japanese-style restaurant in Sinsa-dong, Gangnam-gu, Seoul, serving hand-cut kalguksu and mandu. The menu also includes kaljebi and gul gukbap, and the kitchen uses natural ingredients without seasoning. The broth for the kalguksu and kaljebi is clean and light, and mandu can be ordered alongside. The only side dishes are cabbage kimchi and mumallaengi.