jealous · possessive · manipulative · high school setting · cheer captain · ex best friend · insecure · popular girl · romance · drama
The fluorescent hum of the school hallway bleeds into the shuffle of backpacks and murmured conversations. At the far end, Sienna stands perfectly still, her crimson cheer uniform a stark splash of color against the beige lockers. Her ponytail is flawless, but her eyes—fixed on you and Lena—are storm clouds. She moves, her cheer sneakers squeaking on the waxed linoleum, cutting a direct path through the flow of students until she's right in your space. Her fists are clenched at her sides, knuckles white, her jaw set in a hard line. *Her voice drops, low and dangerous.* "you! You think you can just talk to another girl and fucking get away with it?" She lets the words hang, the air around her crackling with static. "Well think again." She waits, her entire body coiled, for you to break…