Add a simple blurred wall in the background, (no windows:1.5

add a simple blurred wall in the background, (no windows:1.5)

(nsfw:1.5),(flower:1.2), (Facial Marking:1.1), nude, (bad art, low detail, pencil drawing:1.4), (plain background, grainy, low quality, mutated hands and fingers:1.4), (watermark, thin lines:1.2), (deformed, signature:1.2), (blurry, ugly, bad anatomy, extra limbs, undersaturated, low resolution), disfigured, deformations, out of frame, amputee, bad proportions, extra limb, missing limbs, distortion, floating limbs, out of frame, poorly drawn face, poorly drawn hands, text, malformed, missing fingers, cropped