Dear X (Korean: 친애하는 X; Japanese: 親愛なるX) is a romance thriller about a woman who clawed her way up from the depths of life to the top of the acting world, and the man who chose hell to protect her. Kim Yoo-jung took on a dark role that overturns her usual image.

Dear X Korean drama
Dear X

📺 Drama Info

StreamingFrom November 6, 2025 (Disney+)
Episodes12
GenreRomance / thriller
In JapanExclusively on Disney+
NoteContains dark developments and heavy depictions

👥 Main Cast

  • Kim Yoo-jung as Baek A-jin
  • Kim Young-dae as Yoon Jun-seo
  • Kim Do-hoon as Kim Jae-oh
  • Lee Yeol-eum as Rena

📖 Plot (no spoilers)

Baek A-jin rose from the depths of life to the top of the acting world. Around her swirl many people's desires and lies.

Yoon Jun-seo is the man who deliberately chooses hell to protect A-jin. Is their relationship love or obsession? The story heads toward a forbidden ending.

✨ Three Reasons to Watch

  • A new face of Kim Yoo-jung — known for a pure image, she plays a mysterious, precarious actress
  • The aching romance of love and obsession — he would choose hell to protect her
  • A thriller set in show business, with the desires and lies behind its glamour

❓ Frequently Asked Questions

Where can I watch Dear X?

Exclusively on Disney+ in Japan (as of October 2026).

How many episodes does Dear X have?

12 episodes.

Who stars in Dear X?

Kim Yoo-jung (Baek A-jin) and Kim Young-dae (Yoon Jun-seo), with Kim Do-hoon and Lee Yeol-eum.

When did Dear X start streaming?

On November 6, 2025 on Disney+.

Based on information as of October 2026. Streaming availability changes — please check each service. Contains dark and heavy content.