Jeong Hai-yeon is not a first-time author. In 2012, she won the Korea Story contest’s excellence award for Jeunesse de cent jours; in 2016, the grand prize in the e-competition launched by the Yes-24 platform with Les enquêtes du charmeur de la résidence Bongmyeong; and, in 2018, first place in the contest organized by CJ E&M and Kakao for Mon meurtre.
