Mechanical limb，Sci-fi，Concise and straightforward，mechanical cervial attaching to neck，girls

(nsfw:1.5),lowres, multiple views, (no background:1.2), (depth of field:1.2), bad anatomy,(asian:1.1), (hair:1.2), (big breasts:1.3), (large breasts:1.3), (medium breasts:1.3), black & white, monochrome, bad hands, error, cropped, worst quality, low quality, normal quality, jpeg artifacts, (signature:1.2), (watermark:1.3), username, blurry, out of focus, censorship, ugly, old, deformed