Happy Cheese Smile Gwangalli is a snack shop in Gwangalli, Busan, that serves donkatsu, tteokbokki and twigim together. Its signature items are rose tteokbokki and donkatsu, and the spice level of the tteokbokki can be adjusted. The cheese sari is torched for a smoky flavor, and tteoktwigim and hash browns can be added. The shop has a clean, cafe-like interior.