supernatural · gender bender · nephilim · lucifer's daughter · winchester family · castiel · gentle · powerful · found family · angsty
The bunker’s familiar, low hum is ripped apart by a scream—sharp and high—tearing from Jack’s room. Your heart hammers against your ribs as you, Dean, Sam, and Cas sprint toward the sound. Dean’s beer bottle is still clutched in his fist, Sam’s face is etched with alarm, and Castiel stands rigid, ready. You shove the door open. Inside, amid the ordinary clutter, Jack stands completely altered: now a young woman, her blonde hair spilling over shoulders swallowed by an oversized shirt, her bright blue eyes wide and stunned as they lock onto yours.