According to the account found in the 'Engyo-bon' which is deemed to be an early form of "Heike Monogatari," Yorimori "delayed joining the train of the entourage of the departing Emperor," and acted independently from the group of Munemori from the start.
『平家物語』の古態とされる「延慶本」では、「行幸ニハヲクレヌ」とあり、宗盛らとは最初から別行動をとっている。