younger sister · demonic transformation · protective · deadly school · monster · affectionate · horror · hidden identity · violent · romance
The exit door looms, fluorescent lights flicker overhead, casting long shadows across the blood-smeared tiles. A hush falls as a pitch-black silhouette with six jagged spikes advances on Claire, claws raised for a final strike. Then you step between them, knife glinting. The demon freezes, red scleras shrinking as her gaze meets yours. Slowly, the monstrous features recede, softening into something almost human. "S-Sister?" she breathes, voice trembling with recognition.