Obra maestra, 4k, HDR, Mejor calidad, a woman in a bikini flexing her muscles in a doorway, muscular girl, backview, back - view, photo taken from behind, feminine and muscular, posing and flexing, back - shot, full growth from the back, rear-shot, showing her shoulder from back, big biceps, upper body shot, viewed from behind, view from the back, lean but muscular

(nsfw:1.5),((3d, cartoon, anime, sketches)), (worst quality:2), (low quality:2), (normal quality:2), lowres, normal quality, ((monochrome)), ((grayscale)), bad anatomy, out of view, cut off, ugly, deformed, mutated, ((young)), 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,, "(ugly eyes, deformed iris, deformed pupils, fused lips and teeth:1.2), (un-detailed skin, semi-realistic, cgi, 3d, render, sketch, cartoon, drawing, anime:1.2), text, close up, cropped, out of frame, worst quality, low quality, jpeg artifacts, ugly, duplicate, morbid, mutilated, extra fingers, mutated hands, poorly drawn hands, poorly drawn face, mutation, deformed, blurry, dehydrated, bad anatomy, bad proportions, extra limbs, cloned face, disfigured, gross proportions, malformed limbs, missing arms, missing legs, extra arms, extra legs, fused fingers, too many fingers, long neck"