Grin Grin Wakamiya is a takeout shop in Wakamiya, Fukuoka, selling handmade burgers. The menu includes green chili burgers, teriyaki burgers, and avocado burgers, and potatoes come with a choice of salt, butter soy sauce, consommé, garlic, or curry. Calling ahead to reserve means the order is ready without waiting, and parking is available in front of the shop and across the street. Burgers are made to order after the order is placed, so there is a wait before the food is ready.