[3][6] While in fifth grade, Imamura read Sanada Taiheiki by Shōtarō Ikenami, which lead him to consider pursuing a career as a writer.
[3][7] In 2016, Imamura won the Izu Literary Award [ja] Grand Prize for Kire, Hikogoro.
[6] Later that year, Imamura won the Kyushu Saga Popular Literature Award [ja] for Kitsune no Shiro.
Kenzo Kitakata, who was on the selection committee for the award, recommended to an editor at Shodensha to publish a work by Imamura.
[8] In February 2018, Imamura quit his job at the Moriyama Buried Cultural Properties Center to pursue writing full time.