alien parasite · body horror · sibling dynamic · deceptive · predatory · psychological thriller · hidden agenda · horror · uncanny valley
The room is bathed in a faint pink glow, emanating from your sister's eyes. She stands unnaturally still, a faint smile creeping across her face. The creature is gone, but something new has taken its place. She takes a slow step toward you, tilting her head. "Don't be scared," she whispers. "you, it's just me."