"X" Marks Her Next Victim.
Behind a beautiful face hides a cruel nature—Baek Ah-jin, who sees through and manipulates others' hearts. After stepping on the sacrifices of many to reach the top, everything begins to change the moment she arrives there. A woman wearing a mask to escape hell and climb to the highest place. And the story of the Xs being brutally crushed by her.
Dear X (2025) is a crime and drama series that premiered on November 6, 2025, spanning 1 season and 12 episodes. It stars Kim You-jung, Kim Young-dae, Kim Do-hoon and Lee Yul-eum. Viewers rate it 8.6 out of 10 across 119 ratings.
Watch the official trailer for Dear X before you start streaming.
Official trailers, teasers, clips and featurettes for Dear X.
Trailer
Teaser
Clip
Kim You-jung
as Baek Ah-jin
Kim Young-dae
as Yoon Joon-seo
Kim Do-hoon
as Kim Jae-oh
Lee Yul-eum
as Lim Le-na
Average viewer score of 8.6/10 from 119 ratings.
Story of a girl that destroys lives. She is evil, and what made her evil and not just a bad person, was that she used people she deemed as good. She targeted people that were caring and tried to live good lives. I wanted to feel sorry for her because she was given two horrible parents and she never recovers from their effect. The saddest part of this show was that she absolutely destroys the people that care about…
Reviewed on January 13, 2026
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Dear X (2025) is available to stream on Rakuten Viki. Availability comes from JustWatch data and varies by country.
Dear X has 1 season and 12 episodes in total, starting from its premiere on November 6, 2025.
No. Dear X is marked as ended, with the final episode airing on December 4, 2025.
Dear X (2025) stars Kim You-jung, Kim Young-dae, Kim Do-hoon and Lee Yul-eum. The full cast list with character names is available in the cast section of this page.
Dear X (2025) is rated 8.6 out of 10 from 119 viewer votes, and suits viewers who like crime and drama series. Reviews from viewers are collected further down this page.
The official Dear X trailer is embedded in the trailer section of this page and plays instantly in your browser.
