Around this period Emperor Yuryaku tried to carry out a project of reforms, aiming to create 'a powerful Imperial family,' and the Soga clan supported him, thus establishing their political power, however, later this political power was taken by the sudden rise to prominence of other court nobles.
この時代、雄略天皇が改革事業を推し進め「強い天皇家」を目指し蘇我氏が補佐役として政権を築くが、後に勃興した貴族に政権を奪われてしまう。