Killing Stalking is a South Korean psychological horror and thriller manhwa (webtoon) written and illustrated by Koogi. It was serialized online via Lezhin Comics from 2016 to 2019. The series gained international notoriety for its disturbing exploration of obsession, abuse, and trauma within a toxic relationship.

Key facts

• Author: Koogi
• Publisher: Lezhin Comics
• Original run: 2016–2019
• Volumes: 67 chapters (3 seasons)
• Genre: Psychological horror, thriller, yaoi

Plot and themes

The story follows Yoon Bum, a socially isolated and mentally ill young man who stalks his crush, Oh Sangwoo. When Bum breaks into Sangwoo’s house, he discovers a woman imprisoned in the basement—and becomes a captive himself. The manhwa portrays their abusive, codependent relationship, delving into trauma, manipulation, and the psychology of both victim and abuser. Its portrayal of violence and taboo subjects sparked extensive debate and controversy.

Artistic style

Koogi’s art evolves noticeably throughout the series, combining soft, expressive character designs with stark, cinematic violence. The visual tone oscillates between domestic intimacy and claustrophobic horror, emphasizing emotional volatility and confinement.

Reception and impact

Though polarizing, Killing Stalking attracted a global following for its bold narrative and psychological intensity. It received the Grand Prize for Best Comic at the 2017 Korea Content Awards. Critics and fans have discussed it as both a critique and subversion of romanticized violence in media.

Adaptations and legacy

Lezhin Comics has announced plans for a motion adaptation, and the series continues to influence dark psychological and BL (Boys’ Love) storytelling online. Its fanbase remains active in art and discussion communities worldwide.