South Park: Bloodline's, Book 1: Shadows Over South Park

Tweek wakes up anxious on the first day of school. Rumours of a missing classmate, Ronnie, Spread through South Park, increasing Tweek's paranoia. An assembly reveals heightened security measures, but Tweek cant shake the feeling of impending doom. That evening, he receives threatening texts from an Unknown Number. Officer Howard gets involved, intensifying the sense of danger.