Gamamaru Iramen is a Japanese ramen shop near Yonsei University, a 12-minute walk from Exit 1 of Sinchon Station. It serves tonkotsu ramen with thin, springy noodles in a thick, rich pork broth, offered in spice levels such as karai, chokarai, and haek. A self-service bar provides unlimited rice and mapo tofu. The broth is heavy and rich, and customers can choose the broth's strength and the noodles' doneness.