Melting Soul Lotte Department Store Busan Main Branch is a handmade burger shop in the Food Avenue on the second basement floor of Lotte Department Store Busan Main Branch. Its signature Melting Yellow Cheese Burger combines thick cheese with a handmade patty, and the Jambon Burger contains a perilla leaf chimi-churi sauce. It is open from 10:30 a.m. to 8 p.m. Monday through Thursday, and until 8:30 p.m. Friday through Sunday. As a food court, it can be hard to find a seat when it is crowded.