Why Japanese historical novels are so hot

Historical novels belong to the category of traditional novels, Japanese people by the deeper influence of Chinese culture, Chinese culture has a very prominent feature is ancestor worship, many people want to witness the great achievements of their ancestors, but unfortunately, there has been no literary attainments and historical level of writers are enough. And Japan due to the history of the system is relatively thin, you can write something is also relatively narrow, on the emergence of a number of excellent historical fiction writers such as Sima Liaotaro.