4242 Sandwich in Busan sells rice bread and ciabatta sandwiches for takeout. The rice bread is made in-house and moist, and the sandwiches contain a lot of vegetables. Bread options include ttaengcho cheese bread with a choice of chili sauce, as well as squid ink cheese, plain, and olive ciabatta. Sandwiches are made after ordering, and there is no seating, as the shop is takeout only.