Killing Stalking Vol. 2 by Koogi [Japan Ver.]

Yoon Bum, a scrawny, quiet boy, has a crush on one of the most popular and handsome guys in school, Sangwoo. One day, with Yoon Bum’s obsession toward Sangwoo reaching its peak, Yoon Bum decides to enter Sangwoo’s home. But what he sees inside is not the Sangwoo he had dreamed of.