IROE is a decorating technique, painting in polychrome enamels on surfaces of ceramics after firing at a high temperature. Then painted ceramics are fired again in special kilns for overglaze enamels. The museum holds various IROE ceramics such as Tianqi akae made in folk kilns of Jing-de-zhen, swatow wares made in Zhangzhou at the end of Ming dynasty in China, and Imari porcelains made in Hizen, Kyushu in Japan. Besides these works, in this exhibition, IROE works produced by Shoji Hamada are also on display, introducing an attractiveness of the world of IROE.