Angel-in-us GS Isu Station DI Branch is a cafe near Isu Station that serves Americano, bulgogi banh mi, and mango bingsu. The coffee has a nutty flavor, and the mango bingsu comes in a large portion and is served chilled. The spacious cafe has separate first- and second-floor areas, with a view from the second floor. It attracts people of various ages, so it is not a quiet place.