Syndrome (Uije)

A murder occurs at the school where Professor Seo Jae-ha works. The culprit vanishes without a trace, and Seo Jae-ha is suddenly kidnapped by Park In-woo, a fellow student. Park In-woo, the student and kidnapper, makes a mysterious offer to Seo Jae-ha.. (Source: Lezhin) **Original Webtoon:**.