Introducing "Emperor Sea Urchin", which boasts the highest quality in Japan. Japan has about 80% of the world's sea urchin market demand.Sea urchins grow mainly on KONBU, and high-quality KONBU is rich in minerals only in certain areas of low water temperature.The organic DASHI culture, known as UMAMI, is a heritage that has been cultivated since ancient times in Japan. . Sea urchin is extremely sensitive to vibration, which affects its growth. It is a natural gemstone that can only grow in calm