On June 29, Hukei organized a plot with SAKANOUE no Kumake, another guard of city, to enter the camp from outside using the name of Prince Takechi and take over the camp with some of the Kumage clan and the Wakan clan who were assured to betray the Prince Otomo.
6月29日、吹負は別の留守司である坂上熊毛と謀り、吹負が高市皇子を名乗って外から陣営に入り、それに熊毛と倭漢氏の一部が内応するという計をたてた。