Chapter 1 introduces , an isolated young man with a history of trauma and Borderline Personality Disorder. His intense obsession with Oh Sangwoo , a popular and seemingly perfect peer from his military days, leads him to stalk Sangwoo and eventually break into his home after guessing his door code.

Chapter 1 opens not with violence, but with obsession. The protagonist, Yoon Bum, a socially isolated young man, breaks into the home of Oh Sangwoo—his former military classmate and secret crush. Koogi uses a mundane setup (a stolen key, a quiet house) to build tension. Yoon Bum’s internal monologue reveals vulnerability, not malice. Readers initially sympathize with him as a lonely, love-starved figure.

Unlike many horror comics that rely solely on jump scares, Killing Stalking Chapter 1 focuses on psychological displacement. We are forced to follow a protagonist (Bum) who is morally compromised, only to see him trapped by someone infinitely more dangerous. This creates a unique "trapped between two evils" sensation for the reader. Why Chapter 1 Stays at the Top of Search Results