Rainbow Crust is a cafe in Busan that serves vegan bread and coffee, with every menu item made from plant-based ingredients. The bakery menu includes pizza bagels, blueberry salt bread, red bean bread, and vegan pizza, alongside coffee. The menu clearly marks which items are vegan, and the second floor holds a small shop selling vegan snacks and meals plus lodging. The interior is decorated with cat photos, and the operator can give guidance in English.