It had been planned that, at first, Yasunaga would enter Shikoku as a spearhead and, on July 1, the main body of troops led by Nobutaka, Nagahide NIWA, etc. would start from Osaka to go into battle.
まず、康長が先鋒として四国に入り、6月2日には信孝、丹羽長秀らによる本軍が大坂より出陣する予定であった。