The author, Eisuke Aikawa, is a fiction writer based in Fukuoka, Japan. He has authored two collections of short stories, Hiking (2017) and Kumo wo hanareta tsuki (2018). His short fiction has appeared in venues such as Bungakukai, Hidden Authors, and Taberu no ga osoi. His first novel, Hannah no inai jugatsu wa, was published in 2020.