Boyata Sangwangsimni is a sagol kalguksu restaurant near Centras apartment in Seoul. The broth is made from Hanwoo sagol, ujok, tail, and mixed bones boiled for 18 hours in six-hour stages, then vegetables and kalguksu are added directly, and juk is cooked in the remaining broth. Each person boils their own pot at bar seats suited for one or two people. The basic set includes no meat, so meat must be added separately.