In 600 the first envoys sent to the Sui court in China came home having been told by the emperor that their ways made no sense. Within a hundred years, this country had become a state governed by ritsuryō law codes.
Prince Naka no Ōe and Nakatomi no Kamatari went to study with a scholar who had spent more than thirty years on the continent after travelling with an embassy to Sui China. His school is said to have stood on a sloping road in Inabuchi.