Irang Kalguksu Boribap is a kalguksu restaurant in Seongsu, Seoul, serving dak hanmari kalguksu, deulkkae ongsimi, and sujebi. A whole chicken is cooked in the broth, knife-cut noodles are added, and the boribap is mixed with yeolmu kimchi. Deulkkae ongsimi and deulkkae sujebi are sold separately or can be ordered mixed together, and the cho ganjang is on the sour side. The restaurant is full every lunchtime.