In July 1244, Masayoshi, who was living in Kyoto as a Kyoto obanyaku (a job to guard Kyoto), requested access to the Imperial Court and appointment to kebiishi (official with judicial and police powers) without authorization of bakufu.
寛元2年（1244年）6月、京都大番役として在京していた政義は幕府に無許可で昇殿と検非違使への任官を求めた。