Kanezane KUJO, who was supported by Yoritomo gained power in the Imperial Ccourt after the death of the Cloistered Emperor, and those who opposed Kanezane allied with Michichika TSUCHIMIKADO and Tango no tsubone to go against him.
法皇の死後、朝廷では頼朝を後ろ盾とする九条兼実が権勢を誇ったが、この兼実に反発する一派が土御門通親や丹後局らと手を結んで対立する。