According to the "Heike Monogatari " (The Tale of the Heike), Kiyomori was totally forgetful of the rank of Yorimasa; Yorimasa, trying to put Kiyomori in mind that he kept the rank of Shoshii for so many years, composed the following waka poem:
『平家物語』によると清盛は頼政の階位について完全に失念しており、そのため長らく正四位であった頼政が、次のような和歌を詠んだ。