Change the black of the shadow of the painted area to skin color

(nsfw:1.5),nsfw,pussy,varginal,penis,sexual,naked,, sketches, (worst quality:2), (low quality:2), (normal quality:2), lowres, normal quality, ((monochrome)), ((grayscale)), skin spots, acnes, skin blemishes, age spot, glan, extra fingers, fewer fingers, strange fingers, bad hand, bad anatomy, fused fingers, missing leg, mutated hand, malformed limbs, missing feet,beard,