The story begins with Sang-woo, a seemingly ordinary and charming individual, who becomes infatuated with Yoon, a beautiful and talented artist. However, as the chapter progresses, it becomes clear that Sang-woo's intentions are far from pure. He begins to stalk Yoon, monitoring her every move and manipulating her into a false sense of security.

The artwork in the first chapter is also noteworthy, with the creator, Killing Stalking, using a range of visual techniques to convey the dark and unsettling atmosphere of the story. The characters are drawn in a detailed and realistic style, which adds to the sense of tension and unease.

One of the most striking aspects of the first chapter is the way it explores the theme of obsession. Sang-woo's fixation on Yoon is intense and all-consuming, driving him to extreme lengths to get close to her. This obsession is portrayed as a form of psychological manipulation, with Sang-woo using his charm and good looks to gain Yoon's trust.

Overall, the first chapter of "Killing Stalking" is a gripping and unsettling introduction to the series. It sets the tone for the rest of the story, which explores themes of obsession, manipulation, and the darker aspects of human nature.