At first the pro-Yoshinari faction had the upper hand, but the pro-Yasaburo faction, aided by Katsumoto HOSOKAWA and Sozen YAMANA (seeking to weaken the HATAKEYAMA Clan), rallied, continuing the fierce struggle.
当初は義就派が優勢であったが、畠山氏の弱体化を狙う細川勝元と山名宗全により弥三郎派が盛り返し、一進一退の攻防が続く。