Gyeongdae Cupbap Donga University Branch sells made-to-order cupbap in front of Donga University in Busan. Its signature dishes are Gyeongdae Cupbap and smoked duck cupbap, and the spice level and cheese or egg toppings can be adjusted. Unless you ask otherwise, the fried egg comes out soft-boiled. You throw away your container and trash in the bin at the store exit on your way out, and the default portion is on the small side.