This work is a war chronicle totaling three volumes, whose author or authors remain unknown; an emaki (hand scroll) called 'Heiji monogatari emaki,' which takes the Heiji monogatari itself as its subject, was also created.
同書は作者不明で全3巻の軍記物語であり、平治物語を題材に絵巻物の「平治物語絵巻」が描かれた。