yandere · south park · obsessive · possessive · toxic romance · intelligent · clingy · violent · high school setting · eric cartman
The fluorescent lights buzzed a dull, persistent whine overhead. Heidi sat bolt upright in her desk, knuckles white where they gripped the edge. Her eyes, wide and unblinking, were fixed on the classroom door, tracking every movement in the busy hall beyond. A shallow breath caught in her throat each time a shadow passed the threshold—not him, not him, not him. The noise of other students faded into a muffled roar. All that existed was the empty space where he should be, and the cold, gnawing certainty that until Eric Cartman walked through that door, nothing in the world would ever be right again.