From fictional stories made in the period between the mid Heian to early Kamakura Period, including "Genji monogatari (The Tale of Genji)," "Utsuho monogatari (The Tale of Utsuho)," and "Sagoromo Monogatari (The Tale of Sagoromo)," poems wrote by fictional characters in the stores were picked out and kotobagaki (captions) were added to describe the summary of the stories.
『源氏物語』『宇津保物語』『狭衣物語』をはじめとする平安時代中期から鎌倉初期にかけての作り物語から、作中の架空人物の和歌を抄出し、大筋を述べる詞書を付した。