A female shinobi with her back turned, glancing over her shoulder, wearing a mask and displaying long, flowing black hair. She wields a katana, dressed in a dark padded outfit, adorned with leather and metallic accessories. Her attire showcases a sleek color palette of black and deep red, set against a black backdrop with muted tones and high contrast. The scene is captured in hyperrealism with minimal lighting, emphasizing her enigmatic presence.