Semantic Error (2022) character relationship network mapped with AI analysis. Explore the connections, alliances, and conflicts between characters.
Characters
Jang Jae-young
(played by Park Seo-ham) — protagonist
Popular campus star from the Department of Design. Possesses exceptional skills, great looks, and a strong family background. His existence acts as a semantic error that disrupts the orderly life of C...
Choo Sang-woo
(played by Park Jae-chan) — protagonist
Computer science major known for being inflexible and strictly rule-abiding. He takes charge of a liberal arts group project and must work closely with Jang Jae-young, whose chaotic nature represents...
Choi Yoo-na
(played by Song Ji-oh) — supporting
Ryu Ji-hye
(played by Kim No-jin) — supporting
Canonical Relationships
Family, romantic, and professional connections based on plot evidence.
Ryu Ji-hye → Choo Sang-woo
(Confession) — Ryu Ji-hye expresses romantic feelings toward Choo Sang-woo, creating a parallel emotional thread beside his feelings for Jang Jae-young.
"Ryu Ji-hye confesses to Choo Sang-woo in Episode 8."
Story Dynamics
Alliances, conflicts, and narrative interactions that evolve throughout the story.
Jang Jae-young → Choo Sang-woo
(Project partners) — Joint academic work forces them to negotiate contrasting working styles and gradually creates cooperation.
"They perform their French presentation together, later agree to work on the project together, and test Jang Jae-young's proposed two-week arrangement...
Choi Yoo-na → Choo Sang-woo
(Informal confidante) — Choi Yoo-na provides Choo Sang-woo with personal information that affects his understanding of Jang Jae-young.
"Choi Yoo-na tells Choo Sang-woo about Jang Jae-young's past relationships."
Jang Jae-young → Choi Yoo-na
(Friends or acquaintances) — Choi Yoo-na is socially familiar enough with Jang Jae-young to comment on his relationships and personality.
"Choi Yoo-na tells Choo Sang-woo about Jang Jae-young's past relationships and later accuses Jang Jae-young of being boring."
Jang Jae-young → Ryu Ji-hye
(Mutual acquaintances) — Their conversation establishes a limited social connection centered on their shared concern or interest in Choo Sang-woo.
"Jang Jae-young and Ryu Ji-hye discuss Choo Sang-woo."
Story Analysis
The single-season narrative follows the transformation of an academic grievance into collaboration, emotional uncertainty, and romantic confession.
Plot Progression
Season 1: Academic Retaliation
— Choo Sang-woo removes names from a presentation and Jang Jae-young fails the subject. Jang Jae-young responds with a revenge vow and begins disrupting Choo Sang-woo's ordered life.
Season 1: Control Under Pressure
— Choo Sang-woo attempts to regain control while Jang Jae-young intervenes during a confrontation at a bar. Their hostility begins to acquire an element of protection and personal attention.
Season 1: Unstable Attraction
— A limited visit and a shared French presentation create space for cooperation. Jang Jae-young's movie invitation then leaves Choo Sang-woo confused about the nature of their connection.
Season 1: Repair Through Work
— After withdrawal and technical difficulties, Choo Sang-woo makes repeated attempts to apologize. The two agree to work together, although their incompatible methods generate new friction.
Season 1: Confession Threshold
— Conversations about Choo Sang-woo and Jang Jae-young's past relationships clarify the emotional stakes. The proposed two-week trial is refused, but the season culminates in confessions from Ryu Ji-hye...
