In Shikoku, Yasunaga MIYOSHI was subject to Nobunaga and, supported by Nagahide NIWA, Nobutaka ODA who had the advantage, had been preparing for war with the Chosokabe clan.
四国では三好康長が信長に属し、丹羽長秀の補佐を受けた織田信孝が長曾我部氏との戦争準備を始めており、すでに織田家が有利な情勢であった。