AOP is a large café on a hill near Ganjeolgot in Ulsan, serving coffee and baked goods. It offers a vanilla latte, a rich green tea latte, and a dense carrot cake that is not sweet. The first floor is a kids’ area, while the second floor through the rooftop is a no-kids zone. The café has ample seating, including outdoor seats and a rooftop, and its large parking lot gets busy on weekends.