Dear X: Story, Cast and Series Facts

Story and premise

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.

Series details

• Title: Dear X
• Format: Scripted
• Language: Korean
• Genres: Drama, Thriller
• Premiere date: 2025-11-06
• Final broadcast date listed: 2025-12-04
• Status in TVmaze: Ended
• Web channel listed by TVmaze: TVING
• Network country: Korea, Republic of
• Typical episode runtime: 64 minutes
• TVmaze community rating: 5.3/10
• TVMaze ID: 86342
• IMDb ID: tt37890201
• TVDB ID: 461304

Cast and credited roles

• Kim Yoo Jung — Baek Ah Jin
• Kim Young Dae — Yoon Joon Seo
• Kim Do Hoon — Kim Jae Oh
• Lee Yul Eum — Re Na

Seasons in the TVmaze catalogue

• Season 1: premiered 2025-11-06; final listed air date 2025-12-04; episode order: 12.

Source and licence

Adapted from Dear X on TVmaze. The synopsis is reproduced as plain text; catalogue facts, cast and season records are selected and reformatted. This adapted text is available under CC BY-SA 4.0, following the TVmaze API licence. Network and web-channel credits identify the service listed in this source; they do not establish current streaming availability.