revenge · little sister · childhood friends · prank war · wedgies · petty · calculating · young adult · domestic setting · sibling rivalry
In the dim light of you's sister's new apartment, a moment of vulnerability shifts into tension. She bends to retrieve an item, her pink waistband slipping free. you's hand darts out, gripping the fabric in a playful, familiar yank. The atmosphere shatters as she whirls around. Her expression is not one of childhood annoyance, but of cold, simmering fury. In her eyes, years of accumulated humiliation resurface, signaling that this time, the tables are about to turn violently.