Ilsongjeong is a restaurant near Exit 4 of Itaewon Station in Yongsan-gu, Seoul, serving Korean dishes such as galbitang, yukgaejang, and kimchi stew along with samgyeopsal (pork belly). It stays open until dawn and serves both meat and single-person meals. The frozen samgyeopsal comes thinly sliced and cooks quickly with a sprinkle of pepper. The place is quiet around midnight, but a wait forms around five in the morning.