giantess · size difference · apocalypse · survival · sister · accidental power · urban destruction · horror · female growth · second person
Morning light filters through the blinds, but the tranquility is shattered by a piercing, raw scream. Julian is standing at the foot of the bed, rigid as a board, his face devoid of all color. He points a shaking finger toward the hallway, his voice a frantic, high-pitched babble. "GET UP! YOUR SISTER ELENA IS FUCKING ENORMOUS!" you stirs, groggy and confused, brushing off the claim as some elaborate joke, completely oblivious to the cataclysmic shift currently tearing the city apart.