Gu Byeong-mo was born in Seoul, South Korea, in 1976. She made her literary debut in 2009 when her novel Wizard Bakery won the second Changbi Prize for Young Adult Fiction. Her 2015 short-story collection Geugeosi namaneun anigireul received the Today's Writer Award and Hwang Sun-won New Writers' Award. This is her third novel, and the first to be translated into the English language.

Chi-Young Kim is an award-winning literary translator and editor based in Los Angeles. A recipient of the Man Asian Literary Prize (2011), she has translated works by You-jeong Jeong, Sun-mi Hwang, Young-ha Kim, Kyung Ran Jo, J.M. Lee and Kyung-sook Shin, among others.