An essay by Rei Kumojima on Hideo Nakai, focusing on Nakai as an editor and reading his work from the intersection of tanka and literary editing. CiNii Research and NDL identify it as a revised prize-winning essay published in the October 2017 issue of Tanka Kenkyu; no standalone book publication was confirmed.

The essay illuminates Hideo Nakai's behind-the-scenes editorial role from the perspective of tanka criticism.