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 poster

Dear X (2025)

"X" Marks Her Next Victim.

★ 8.6/10 November 6, 2025 1 season

CrimeDrama

Creator: Ban Ji-woon  ·  Writer: Choi Ja-won

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.

Where to watch

Rakuten Viki Rakuten Viki

Trailer

Creators

Ban Ji-woon Ban Ji-woon

Cast

Kim You-jung Kim You-jung Baek Ah-jin Kim Young-dae Kim Young-dae Yoon Joon-seo Kim Do-hoon Kim Do-hoon Kim Jae-oh Lee Yul-eum Lee Yul-eum Lim Le-na

User Reviews (1)

slowedown
slowedown January 13, 2026
★ 4/10

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 her. I was heartbroken for them. The performances were believable which was worse for me. These people were irredeemable. Kim You Jung (Baek Ah Jin) was great. Kim Young Dae (Yoon Jun Seo) and Kim Do Hoon (Kim Jae Ho) performances were award winning. I felt so sorry for their characters. Both deserved better. I would say the story was original and the players were consistent in their lunacy. This show left me sadder than I was when I started it. What a waste of lives. I am re…