Kamuyaimimi
Historical records indicate that the Yamato Imperial Court sent members of the imperial family to Shinano Province to control , a powerful deity with ancestral ties to the Izumo and Koshi gods. This area was strategically important as it connected the Sea of Japan and the East. Kamuyaimi-no-Mikoto, son of Emperor Jimmu and an influential member of the imperial family, was among those dispatched to Shinano. The Kojiki, an ancient record of Japanese history, also credits him with establishing the Emperor System..