In 1548, Nagayoshi reconciled with Naganori YUSA and welcomed his daughter as his lawful wife, and at the same time, backed up Ujitsuna HOSOKAWA and disobeyed Harumoto.
天文17年（1548年）、長慶は遊佐長教と和睦してその娘を正室に迎え、同時に細川氏綱を擁立して晴元に叛いた。