Ops Lotte Department Store Busan Branch is a bakery inside Lotte Department Store in Busan that sells choux cream and cakes. It carries bam bread and bam milk bread, and its cake selection is larger than at other Ops branches. Because it sits inside Lotte Department Store, it is easier to reach than other branches, and you can pick several kinds of bread, have them packed in a paper bag, and give them as a gift. Staff service is not consistent.