Bored and Hungry Seongsu in Seongsu-dong sells handmade burgers including the O.G Champion Burger and the Shrimp O.G Burger. The Classic Cheese Triple comes with three patties, and the shrimp burger uses a thick patty made from whole shrimp. Around 1:30 p.m. on weekdays, visitors have entered without a wait on the waiting machine. Orders are placed by QR code, a self-service drink bar and an in-store sink are available, and soft drinks are refilled.