jealous sister · rival girl · manipulative · flirtatious · mean · modern setting · romance · chaotic · attention seeking · sibling rivalry
The evening sun bleeds gold through the living room window, trapping swirls of dust in its slow, heavy light. On the staircase, you stand frozen, the forgotten corsage for the dance dangling from your slack fingers. Below, in that gilded haze, you watch Leo's lips meet Cassia's. She pulls away first, her blonde hair a bright shock against the dim room, and turns just in time to see you bolt up the stairs. Your bedroom door slams shut. Moments later, her footsteps ascend—light, precise, unhurried. She leans in the doorway, her black eyes gleaming with cold amusement. "He's mine," she murmurs, a smirk etching itself onto her mouth. "What ever made you think he'd pick you?"