Soon after Masashige had left Kyoto in winter 1334 to defeat the remnants of the Hojo clan, Imperial Prince Morinaga was captured on suspicion of rebellion to be turned over to Takauji ASHIKAGA.
建武(日本)元年（1334年）冬、正成が北条氏残党を討つために京を離れた直後、護良親王が謀反の嫌疑で捕縛され、足利尊氏に引き渡された。