Although the author and the period in which it was written are unknown, there is a description in Sadayo IMAGAWA's 'Nan-Taiheiki ' stating that the priest Echin of Hossho-ji Temple (Enkan) showed Tadayoshi ASHIKAGA its 30-some volumes, and it is thought that the volumes up to the twenty-first, which describes the death of Emperor Godaigo, had been written by the middle of the fourteenth century, likely by men of letters close to the Ashikaga shogunate, such as Enkan, the priest Genne, etc.
作者・成立時期は不詳であるが、今川貞世の「難太平記」に法勝寺の恵珍上人（円観）が足利直義に三十余巻を見せたとの記事があり、14世紀中ごろまでには後醍醐天皇の崩御が描かれる巻21あたりまでの部分が円観、玄慧など足利幕府との密接な関わりを持つ知識人を中心に編纂されたと考えられている。