Cthulhu-inspired Miku, twisted tentacle hair, eerie green glow in eyes, pale skin with dark veins, Victorian-style Gothic Lolita dress, lace gloves, broken umbrella, abandoned asylum, crumbling walls, flickering candles, mysterious fog, dimly lit corridors, eerie whispers, haunting vocals, Lovecraftian symbols etched on walls, ornate old clockwork machinery, distorted piano melodies.