'Dear X' unveils chilling poster starring Kim You jung

Premiere reveal and industry note

'

Dear X

' formalizes its launch with a minimalist poster that has sharpened anticipation around

Kim You Jung

's icy lead turn and a morally fraught character study. MK Sports reported, the production leans on marquee casting and glossy execution to court domestic and overseas viewers, reflecting a broader trend in star‑driven slates.

Poster cues and tone

Bold red typography slashes across a white field as

Baek Ah Jin

peers through a torn opening, signaling secrecy, duality, and the calm before chaos that frames the show's psychological edge. The visual language points to tension over spectacle, anchoring a character‑first thriller veneer over a melodramatic core.

Expanded plot

Based on a popular webtoon, the drama tracks Baek Ah Jin's ascent from obscurity to top stardom by exploiting keen insight into others, then pivots into a devastating fall as consequences close in. Her entanglement with Yoon Joon Seo, a lifelong protector willing to endure torment, twists devotion into collateral, while rivals and enablers complicate loyalty, ambition, and exposure across the industry.

Webtoon roots and structure

The source material charts youth, rise, apex, and collapse across a layered arc that codifies Baek Ah Jin's dual nature and ultimate reckoning. Its serialized blueprint underpins the show's time‑shifting narrative, mapping formative scars to present‑day scandal and the price of survival at the summit.

Cast and momentum

Kim You Jung leads opposite

Kim Young Dae

, with Kim Do Hoon and Lee Yul Eum shaping a noir‑tinged melodrama calibrated for late‑year buzz via teasers and festival spotlights. Ongoing previews underscore the darker palette and relationship stakes as the platform positions the title as a tentpole in its end‑of‑year slate.