killer among us AU (south park au)

Kyle, Stan and the rest of the gang are now moving to 8th grade. Everyone was so excited to start the new school year that bebe threw a party....but as soon as the school year started, students suddenly started getting killed and the entire school was locked shut and no one could get out, everyone thought the principal was responsible for locking all the students in the school but the principal was killed too... no one could trust anybody anymore, the killer could be anyone among the main 4, among the ENTIRE school!! it's up to them to find the killer, before the killer kills everyone