Baek Ah-jin (played by Kim You-jung) is a protagonist in Dear X.
Central protagonist who overcame childhood abuse and neglect by mastering emotional manipulation. She rose to become a successful actress driven by an unyielding ambition for fame and power, weaving a complex web of secrets and shifting loyalties that ensnare those around her. Yoon Joon-seo (played by Kim Young-dae) is a protagonist in Dear X.
Ah-jin's childhood companion who unconditionally loved and protected her, believing his devotion could save her. As her actions grow darker, he struggles with whether he is helping or enabling her, ultimately becoming entangled in the chaos she creates. Kim Jae-oh (played by Kim Do-hoon) appears in Dear X.
A character shaped by a tragic past who becomes deeply connected to Ah-jin. He acts as her supportive shadow while navigating her moral struggles, eventually finding himself trapped in the web of secrets and shifting loyalties she orchestrates. Lim Le-na (played by Lee Yul-eum) appears in Dear X.
A rival actress and former idol who opposes Ah-jin's career ascent. Her romantic interest in Jun-seo fuels tension and rivalry, further complicating the intricate dynamics between Ah-jin, Jun-seo, and Jae-oh. Sim Sung-hee (played by Kim Yi-kyeong) appears in Dear X.
Director Park (played by Park Bu-keon) appears in Dear X.
Heo In-gang (played by Hwang In-youp) appears in Dear X.
Heo In-mo (played by Lee Woong-jae) appears in Dear X.
Dear X (2025) character relationship network mapped with AI analysis. Explore the connections, alliances, and conflicts between characters.
Characters
Baek Ah-jin
(played by Kim You-jung) — protagonist
Central protagonist who overcame childhood abuse and neglect by mastering emotional manipulation. She rose to become a successful actress driven by an unyielding ambition for fame and power, weaving a...
Yoon Joon-seo
(played by Kim Young-dae) — protagonist
Ah-jin's childhood companion who unconditionally loved and protected her, believing his devotion could save her. As her actions grow darker, he struggles with whether he is helping or enabling her, ul...
Kim Jae-oh
(played by Kim Do-hoon) — supporting
A character shaped by a tragic past who becomes deeply connected to Ah-jin. He acts as her supportive shadow while navigating her moral struggles, eventually finding himself trapped in the web of secr...
Lim Le-na
(played by Lee Yul-eum) — supporting
A rival actress and former idol who opposes Ah-jin's career ascent. Her romantic interest in Jun-seo fuels tension and rivalry, further complicating the intricate dynamics between Ah-jin, Jun-seo, and...
Sim Sung-hee
(played by Kim Yi-kyeong) — cameo
Director Park
(played by Park Bu-keon) — cameo
Heo In-gang
(played by Hwang In-youp) — cameo
Heo In-mo
(played by Lee Woong-jae) — cameo
Art Teacher
(played by Kang Ian) — cameo
Choi Jeong-ho
(played by Kim Ji-hoon) — cameo
Moon Do-hyeok
(played by Hong Jong-hyun) — cameo
Baek Seon-gyu
(played by Bae Soo-bin) — cameo
Seo Mi-ri
(played by Kim Ji-young) — cameo
Key Relationships
Baek Ah-jin → Heo In-gang
(Lovers to Exes)
Baek Ah-jin → Yoon Joon-seo
(Mother-Son)
Baek Ah-jin → Sim Sung-hee
(Rivals)
Baek Ah-jin → Moon Do-hyeok
(Husband)
Baek Ah-jin → Baek Seon-gyu
(Wealthy Savior)
Baek Ah-jin → Seo Mi-ri
(Savior)
Baek Ah-jin → Heo In-mo
(Father-Daughter)
Baek Ah-jin → Kim Jae-oh
(Desperate Ally)
Baek Ah-jin → Lim Le-na
(Professional Rival)
Baek Ah-jin → Choi Jeong-ho
(Manipulated Romance)
Baek Ah-jin → Director Park
(Industry Gatekeeper)
Baek Ah-jin → Art Teacher
(Past Influence)
Story Analysis
A single-season narrative tracking Baek Ah-jin's ruthless ascent through manipulation, romance, and exposure, culminating in a morally complex triumph.
