When the Muromachi bakufu was established, Noriuji ISSHIKI and Naouji ISSHIKI became Kyushu Tandai (local commissioners), but since they failed to get a result in war, the Isshiki clan became weaker.
室町幕府が創立されると、一色範氏・一色直氏は九州探題となるが戦果が上がらず、一色氏は一時衰退する。