Change the sweater to black and add a darker background

bad quality, worst detail, motion lines, effects, borders, frames, (worst quality, low quality, normal quality), lowres, low details, grayscale, bad photo, bad photography, 3d, rendering, giraffe, cgi, anime, cartoon, painting, gross proportions, deformed body, deformed torso, deformed hands, deformed feet, deformed legs, unsharp, cropped, blurry, extra limbs, ugly, poorly drawn hands, poorly drawn face, amputee, disconnected limb, mutated hands, mutated fingers, imperfect teeth, wide hips, wide thigh, deformed eyes, pubic hair, piercings, imperfect iris, imperfect eyes, imperfect teeth, dismembered, disfigured, improper scale, cloned face, cloned Body, signature, watermark, letters, anatomically incorrect, anatomically unrealistic, marfan syndrome, ugly teeth, wrong toes, more than 5 toes, more than 5 fingers, less than 5 fingers, less than 5 toes, twisted feet, twisted hands, twisted fingers, bad anatomy, bad hands, source_furry, source_cartoon, blurry, doubled limbs, doubled legs, disappearing arms, disappearing thigh, wide thigh, disappearing calf, disappearing legs, missing fingers, fused fingers, abnormal eye proportion, Abnormal hands, abnormal legs, abnormal feet, abnormal fingers, (tanlines:1.3),