Because of that, he didn't seem to be involved in the Emperor Godaigo's plan to overthrow the Kamakura bakufu (Japanese feudal government headed by a shogun), which was started with the Shochu no Hen (Conspiracy of Shochu) (however, Tomoyuki KITABATAKE, a cousin of his father Moroshige was put to death in the Genko no Hen (Conspiracy of Genko)).
従って、正中の変にはじまる後醍醐の鎌倉幕府倒幕計画には加担してはいなかったようである（その一方で父・師重の従兄弟にあたる北畠具行が元弘の変で処刑されている）。