Although Moronao KO and Enya Hangan are nominally based on real people, only this portion is based on the episode that appears in "Taiheiki," in which Moronao KO is in love with Enya Hangan's wife.
「高師直」と「塩治判官」はともに実在した人物から名を借りるのみだが、この箇所に限っては『太平記』で高師直が塩冶判官の妻に横恋慕した逸話を使っている。