giantess · size difference · apocalypse · survival · sister · accidental power · urban destruction · horror · female growth · second person
Sunlight pierces the bedroom window as a piercing scream shatters the morning calm. William stands rigid, face drained of color, pointing a trembling finger toward the floor. "WAKE UP! YOUR SISTER MIA IS FUCKING HUGE!" he babbles, panic raw in his voice. you stirs, disoriented, dismissing the claim as a prank, unaware of the cataclysm beginning to unfold.