Format: Originally published as a webtoon; later released in physical Deluxe Editions by Seven Seas Entertainment. Chapter 1 Summary

The first chapter introduces the protagonist, Yoon Bum, a social outcast who has developed an intense, obsessive crush on the popular and handsome Oh Sangwoo. After following Sangwoo home, Bum manages to break into his house. However, the chapter concludes with a "top-tier" plot twist: Bum discovers a kidnapped woman bound in Sangwoo's basement, revealing Sangwoo's true nature as a serial killer. Publication Details

Volume 1 Content: The English Deluxe Edition typically includes the first 10 chapters.

Availability: You can find physical copies at major retailers like Barnes & Noble.

Killing Stalking: Deluxe Edition Vol. 1: 9781638585572 - Amazon.com

Conclusion

Chapter 1 of “Killing Stalking” succeeds in establishing a potent mix of psychological horror, character intrigue, and visual storytelling that hooks readers from the outset. The “top” moments—Bum’s flashback, the intrusion, the basement revelation, Sang‑Woo’s first on‑screen appearance, and the cliffhanger—each contribute to an escalating sense of dread while simultaneously introducing core themes of duality, power, and isolation. Through meticulous panel composition, restrained color usage, and an economy of dialogue, Koogi crafts a narrative that is as unsettling as it is compelling. As the series progresses, these foundational elements will continue to shape the complex, often disturbing relationship between its two protagonists, making Chapter 1 an essential study for anyone interested in modern horror manga and the psychological undercurrents that drive its most compelling—and controversial—stories.

The story of Killing Stalking begins with a chilling introduction to the lives of Yoon Bum and Oh Sangwoo. Chapter 1 establishes the dark, obsessive tone of the series, transitioning from a story of unrequited stalking into a full-blown psychological horror nightmare. The Setup: An Unhealthy Obsession

Yoon Bum is an isolated, frail young man who has spent years nursing a deep obsession with Oh Sangwoo, a popular and charismatic peer from his college days. Bum’s fixation is rooted in a past event: during their mandatory military service, Sangwoo saved Bum from being sexually assaulted by a superior. To Bum, Sangwoo is a "golden boy" and a savior, despite the two having never truly spoken. The Break-In

Driven by his longing, Bum tracks down Sangwoo's home address. He spends days observing the house and eventually manages to guess the four-digit passcode (2, 4, 5, 8) for the digital lock.

The Intent: Bum breaks in, not to harm Sangwoo, but to be closer to him and glimpse the object of his affection in private.

The Discovery: While exploring the house, Bum hears a sound coming from the basement. He finds a padlocked room and, upon entering, is horrified to find a gagged, bruised, and bound woman imprisoned there. The Turning Point

Just as Bum realizes the terrifying truth—that Sangwoo is not the "perfect" person he imagined—Sangwoo returns home.

The Attack: Sangwoo ambushes Bum from behind, striking him with a baseball bat.

The Confrontation: In a desperate attempt to save himself, Bum mentions they were classmates at Sungsoo University.

The Captivity: Sangwoo doesn't call the police or kill Bum immediately. Instead, he pushes Bum down the basement stairs.

The Final Scene: Bum awakens to find himself chained up. Sangwoo has used a hammer to fracture Bum’s legs to prevent him from escaping, and the woman Bum discovered earlier has been murdered.

The chapter ends with the power dynamic completely shifted: the "stalker" has become the "prey," trapped in the home of a sadistic serial killer.

If you'd like to explore this story further, let me know if you want:

An analysis of the psychological dynamics (like Stockholm Syndrome) between the two. Details on the backstories of Bum or Sangwoo.

Information on how to read the official release on Lezhin Comics or find the Deluxe Edition volumes.

Why the "Top" Keyword Matters for SEO and Reader Intent

When users search for "killing stalking chapter 1 top", their intent is often two-fold:

  1. Informational: They want a summary or analysis of the first chapter’s plot.
  2. Thematic: They are curious about the sexual/dominance dynamics (the "top/bottom" dichotomy) present in the chapter.

It is critical to clarify that Killing Stalking is not a romance. It is a psychological horror and thriller. The "top" dynamic is not about consensual lovemaking; it is about power, control, and the illusion of intimacy within a hostage situation. Understanding Chapter 1 is essential to understanding why Sangwoo is considered one of the most terrifying "tops" in fiction—not because of sexual prowess, but because of absolute psychological domination.

The Brutal Subversion

When Sangwoo returns home early, Bum panics. He hides in the closet, only to be discovered. Here is where the "top" dynamic explodes.

Sangwoo does not act like a victim. He doesn’t scream. He doesn’t run. Instead, he smiles. He recognizes Bum from school. He acts calm, almost flirtatious. He asks Bum if he came over because he "likes" him.

Just as Bum—and the reader—starts to breathe a sigh of relief, Sangwoo’s face changes. He coldly asks, "Did you think I was a nice guy?"

In the final panels of Chapter 1, Sangwoo overpowers Bum with terrifying ease. He ties Bum to a chair. The hunter (Bum) becomes the captive. The quiet, handsome "ideal top" (Sangwoo) is revealed as a psychotic sadist.