With the death of Sumimoto HOSOKAWA, Takakuni's long-time enemy, due to illness in Awa on June 2 of the same year, Takakuni had outlived his last enemy and thereby became the tenkabito, or the person holding the reins of government.
長年敵対を続けてきた細川澄元が同年6月2日に阿波で病死し、敵対者のいなくなった高国は天下人になった。