According to the Hojobon, which is to be mentioned later, out of a total of 52 volumes, Yoritomo takes the part of the main character in the first 15, and the reign of the Minamoto clan which spanned three generations is dealt with in subsequent volumes up to the 24th.
後に述べる北条本をベースとすれば、全52巻の内15巻までが頼朝を主人公とし、24巻までが源氏三代。