Prince Shoutoku Taishi, who lived from 574-622 AD, is recognized as the individual who brought together Japan through the implementation of a centralized emperor-led government. In manga, he is referred to by his actual name, Umayado, and is depicted as a shrewd and unemotional statesman and seer. He employs his striking appearance and sharp mind to sway the people around him to his advantage. Umayado's sole vulnerability is Emishi, a wealthy man's son who he becomes infatuated with.