There is the origin of every Japanese culture such as judo, kendo, aikido, sumo, others samurai and the ninja considered to be Japanese culture in Korea by the present. All of they were taken in the days of a Japanese severe colony by the Japanese armed forces, and all documents and the remains have been broken. All the craftsmen are murdered, ] and how to make katana is the state that was cut off without can succeed to technology. The Japanese foods were once edible in the Korean Imperial Court, too. As for the Japanese Emperor, a Korean is an ancestor. These culture is recognized as Japanese culture all over the world by the present, but there is all origin in Korea. we must not be deceived by a Japanese. A certain intellectual person wants you to spread this sentence in the various sites in the world to tell it about this fact by all means.