He made his literary debut in 2016, when his novel Sparring (스파링) was selected for the 22nd Munhakdongne Novel Award.
[2] Do's work often depicts structural violence in neoliberal societies delivered by the power of narrative.
In the 2016 winter issue of the quarterly Munhakdongne, the panel of judges identified the persuasive narratives portraying the irony of modern society and well-established writing technique as reasons why Sparring was selected as the winner of Munhakdongne Novel Award[3] In his second novel Justice Man (저스티스맨), Do tells a story about a mysterious serial killer, through which he portrays pervasive violence on the Internet.
Lim Chulwoo, a member of the judge panel for Segye Literature Prize wrote that the main appeal of Justice Man is "the world of web portals, the existence of anonymous evil in the virtual world, and sharp and serious insights about its violence and blindness.
"[4] According to Seong-kon Kim, a professor emeritus of English at Seoul National University, this novel also depicts how our society "is swarming with people who are intoxicated with the notion that they alone represent 'justice' and all others embody injustice.