However, this was not the Senryu that he read by himself, but one recorded in "Kasshiyawa," The Essays of the lord of the Hirado Domain, Kiyoshi MATSUURA (Seizan MATSURA) as anonymous Senryu in those days (Hototogisu Senryu).
が、これは本人が作ったものではなく平戸藩主・松浦清（松浦静山）の随筆『甲子夜話』に収録された当時詠み人知らずで伝わった歌の引用である（時鳥川柳）。