japanese retro aesthetic.A realistic portrait of a mystical witch with pale blue skin, glowing silver-blue hair cascading in waves, and ethereal markings across her face. She wears a wide ornate witch hat with a glowing arcane pattern on the underside, a flowing white gown, and a heavy fur cloak. Her expression is calm and enigmatic, her icy blue eyes radiating a supernatural glow. Cinematic fantasy atmosphere, mysterious and melancholic, moonlight filtering through shadows, VHS grain, dreamlike haze, photography style.