Hiroshima Okonomiyaki ROKU is on the fourth floor of Okonomimura in Shintenchi, Naka Ward, Hiroshima. The restaurant serves okonomiyaki, grilled oysters with butter, and beef, chicken cartilage, and gyoza cooked on a teppan. Food is prepared in front of the customer, and the nine dishes ordered arrived together as requested. Drinks must be ordered along with the food.