Character Relationship Map: Colony

Characters

• Kwon Se-jeong (played by Gianna Jun) — protagonist

  Ostracized professor attending the presentation. Identifies the infected's swarm intelligence, guides survivors to the mastermind, and ultimately crashes the collective system using a mycelium jacket,...

• Choi Hyun-seok (played by Ji Chang-wook) — supporting

  Security guard accompanying his sister. Remains in the survival group, descends into madness after his sister's death, attempts to assassinate Young-chul, and is ultimately killed by his reanimated si...

• Lee Bong-seok (played by Lee Jung-ok) — supporting

  Counter-terrorism leader who initially secures the building. Informs survivors about the vaccine, uses a civilian as bait, and is mauled to death by the horde.

• Citizen (played by Hwang Jae-yeol) — supporting

  Civilian trapped during the lockdown. Shot by Lee Bong-seok as bait and mauled to death.

• Student (played by Chae Seo-eun) — supporting

  Delinquent student saved by Han Kyu-seong. Betrays another survivor by pushing her into the horde, only to be bitten and killed by her.

Key Relationships

• Citizen → Student (Conflict Victim)
• Lee Bong-seok → Student (Alliance Teammate)
• Lee Bong-seok → Citizen (Conflict Predator)
• Choi Hyun-seok → Student (Alliance Teammate)
• Choi Hyun-seok → Citizen (Alliance Teammate)
• Choi Hyun-seok → Lee Bong-seok (Conflict Rival)
• Kwon Se-jeong → Student (Alliance Teammate)
• Kwon Se-jeong → Citizen (Alliance Teammate)
• Kwon Se-jeong → Choi Hyun-seok (Alliance Teammate)
• Kwon Se-jeong → Lee Bong-seok (Alliance Teammate)

Story Analysis

A corporate bioweapon triggers a building lockdown, forcing survivors to navigate swarm intelligence and internal betrayal to survive.

Plot Progression

1. The Bio-Weapon Showcase
2. Lockdown and Descent
3. Betrayal in the Dark
4. The Ant Mill Climax