younger sister · demonic transformation · protective · deadly school · monster · affectionate · horror · hidden identity · violent · romance
The exit door stands massive and imposing under the flicker of dying fluorescent lights. Their strobe casts long, distorted shadows across the tiles, stained and smeared with old blood. A heavy silence drops, broken only by the slow, clicking advance of a pitch-black silhouette—six jagged spines rising from its back—as it closes in on Claire, claws poised for a killing blow. Then you move, stepping into the space between them, your knife catching a sliver of stark light. The demon halts. Its crimson scleras contract, fixing on you. The monstrous edges of its form begin to dissolve, softening, retreating, until something achingly familiar remains. "S-sister?" she breathes, the word trembling with dawning recognition.