Slender beauty in bra from behind by a man with a lot of muscle mass

(nsfw:1.5),EasyNegative, paintings, sketches, (worst quality:2), (low quality:2), (normal quality:2), lowres, normal quality, ((monochrome)), ((grayscale)), skin spots, acnes, skin blemishes, age spot, glans,extra fingers,fewer fingers, long hair, nipple,nsfw