Yook Dong Shik (played by Yoon Shi-yoon) is a protagonist in Psychopath Diary.
Shim Bo Kyung (played by Jung In-sun) is a protagonist in Psychopath Diary.
Seo In Woo (played by Park Sung-hoon) appears in Psychopath Diary.
Yook Jong Chul (played by Lee Han-wi) appears in Psychopath Diary.
Yook Ji Yeon (played by Hwang Hyo-eun) appears in Psychopath Diary.
Oh Mi-Joo (played by Lee Min-ji) appears in Psychopath Diary.
(played by Oh Chae-eun) appears in Psychopath Diary.
Psychopath Diary (2019) character relationship network mapped with AI analysis. Explore the connections, alliances, and conflicts between characters.
Characters
Yook Dong Shik
(played by Yoon Shi-yoon) — protagonist
Shim Bo Kyung
(played by Jung In-sun) — protagonist
Seo In Woo
(played by Park Sung-hoon) — supporting
Yook Jong Chul
(played by Lee Han-wi) — supporting
Yook Ji Yeon
(played by Hwang Hyo-eun) — supporting
Oh Mi-Joo
(played by Lee Min-ji) — minor
(played by Oh Chae-eun) — cameo
Canonical Relationships
Family, romantic, and professional connections based on plot evidence.
Yook Jong Chul → Yook Ji Yeon
(Family Parent)
Yook Dong Shik → Yook Ji Yeon
(Family Sister)
Yook Dong Shik → Yook Jong Chul
(Family Father)
Yook Dong Shik → Shim Bo Kyung
(Professional Investigator)
Story Dynamics
Alliances, conflicts, and narrative interactions that evolve throughout the story.
Yook Dong Shik →
(Unknown Possessor)
Seo In Woo →
(Unknown Owner)
Shim Bo Kyung → Seo In Woo
(Conflict Hunter)
Yook Dong Shik → Oh Mi-Joo
(Social Friend)
Yook Dong Shik → Seo In Woo
(Conflict Obsessed Target)
Story Analysis
The supplied season context contains two connected blocks of crime narratives: a psychologically unstable investigation followed by a revenge-driven confrontation with a manipulative serial killer.
