Based on Naver Webtoon of the same title by Vanziun, it depicts the downfall of top actress Baek A-jin and her two faces hidden behind it.
Dear X was co-directed by Lee Eung-bok and Park So-hyun and written by Choi Ja-won, who won the grand prize at the 2018 KBS One-Act Drama Script Contest.
It was planned by Studio Dragon, produced by Monster Union and Siwoo Company, and provided by TVING.
[7] On June 25, according to SPOTV News interview, Kim Do-hoon was in negotiations after receiving an offer for the series.
[8] The next day, Hwang In-youp received an offer and was confirmed for a special appearance.