Moreover, he behaved like okimi (great king) by giving Iruka the purple cap for oomi (a highest officer in national politics of the Yamato dynasty), calling his younger brother Mononobe no oomi, and naming his residence kyujo no mikada (Gate on Imperial Palace).
また入鹿に紫冠を授け大臣と擬し、弟を物部大臣と呼び、屋敷を宮上の門（みかど）とよばせるなど自らを大王に擬する行為があった。