Jeon Gunwoo began his career in 2008 with his short story Sommeil léger. He has written many novels and short stories mixing thriller, horror and fantasy, and an essay about his experience of writing horror novels. He won the first prize in the K-Thriller Writer Contest, organized by the Gokznock publishing house and thanks to which he was able to be published by them. A contract for a film adaptation has been signed for Les étranges histoires du Goshiwon.