The visual palette changes instantly. The clean, bright, upper levels of the house give way to pitch-black darkness, stained concrete, and suffocating shadows. At the bottom of the stairs, Bum discovers a horrifying reality: a bound, brutally beaten woman sobbing on the floor. In a single frame, the narrative dynamic flips completely:

To understand the impact of Chapter 1, we must first understand the work as a whole. Killing Stalking is a South Korean manhwa written and illustrated by the artist Koogi. It was serialized on the digital platform Lezhin Comics from March 2016 to March 2019, eventually totaling 67 chapters across three seasons. Its unique and controversial blend of genres—psychological horror, thriller, and elements of boys' love (yaoi)—catapulted it from a niche webcomic to a global phenomenon.

The first chapter succeeds because it plays on universal fears of the unknown and the deception of appearances. It forces the audience to confront an uncomfortable truth: the monsters among us often wear the most dazzling smiles.

Chapter 1 ends with a shocking, brutal confrontation that leaves the reader stunned.

: Official source material confirms that at the start of the story, Sangwoo is 24 years old and Yoon Bum is 21.

Before Bum can process the horror or attempt an escape, the heavy footsteps of Oh Sangwoo echo from upstairs. The chapter reaches its crescendo as Sangwoo enters the basement. The contrast between his casual, handsome appearance and the baseball bat gripped in his hand creates a chilling sense of dread.

Koogi’s artistic style in Chapter 1 deserves exclusive analysis, as the visuals do the heavy lifting in establishing the webtoon's psychological weight.

Some readers see a tragedy of two broken people; others see a harmful fetishization of violence. What is undeniable is that Chapter 1 kicked the door down for a new kind of manhwa. It proved there was a massive audience for stories that weren't afraid to explore the darkest depths of the human psyche, sparking discussions about mental health, representation, and the fine line between horror and titillation.

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