Jeongseongdara is a 24-hour snack bar in Hannam, Seoul, serving gimbap, ramyeon, rice bowls, and donkatsu. The menu includes Jeongseong gimbap packed with cucumber and vegetables, chicken mayo gimbap, and hwangtae kongnamul ramyeon. Orders are placed at a kiosk and delivered by a mobile robot, and broth is self-served from a hot water dispenser. Hygiene management in the kitchen and the self-service side dish corner is poor.