Oh Sangwoo (Killing stalking)

• Character: Oh Sangwoo
• Role: Main Antagonist
• Work: Killing Stalking (manhwa)
• Personality: Deeply disturbed, sadistic, manipulative serial killer.
• Exterior: Charming, friendly facade.
• Interiority: Violent impulses, paranoia, lack of empathy.
• Origin: Severe childhood trauma from parents.

Appearance: Hair: Originally, he has wavy, light brown hair with a black undercut. Later in the series, he changes his hairstyle to a straight, shorter cut

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Build: He is described as having a tall, sturdy, and muscular stature, often portrayed as physically dominant.

Face: A defining feature is the pronounced, dark, heavy bags underneath his eyes, which are often used to illustrate his lack of sleep, emotional detachment, or sadistic nature.

Eyes: Generally, his eyes appear emotionless or cold, but they can shift to appear charming or intensely violent depending on his mood.

• Sangwoo physically abuses Yoon Bum, breaking his legs and holding him captive.
• Sangwoo manipulates Bum into a submissive "housewife" role mirroring childhood trauma.
• Sangwoo tests Bum's loyalty with false escape opportunities to assert control.
• Sangwoo exhibits sadistic violence: physical/emotional abuse alternating with affection.
• Sangwoo, abused as a child, acts as a "hunter" targeting vulnerable individuals resembling his past abusers.
• A toxic co-dependent bond develops; Sangwoo relies on Bum's obsession and reacts negatively to independence.