Killing Stalking: Deluxe Edition Vol. 1

＂Yoon Bum, a scrawny and quiet man, has a crush on one of the most popular and handsome guys in his college: Sangwoo. After the two cross paths again, Yoon Bum’s feelings grow in intensity until they become an obsession-and he breaks into Sangwoo’s home. But what he sees inside is not the Sangwoo of his fantasies; his dreams of this alluring man abruptly turn into a nightmare.＂--

Koogi is a manhwa/webtoon comic creator from Korea best known for Killing Stalking.