It was originally in the shape of Kansubon (book in scroll style), and seems to have contained the first to the twentieth volumes of "Kokin Wakashu" including the 'Preface,' but now only the tenth, eleventh, twelfth, thirteenth, fourteenth, sixteenth, seventeenth, and eighteenth volumes are exist.
原装は巻子本で、本来『古今和歌集』の巻一～巻二十と「序」を備えていたものと思われるが、現存する巻は巻十、十一、十二、十三、十四、十六、十七、十八のみである。