(Highest quality:1.5), (masterpiece:1.5), (8k:1.5), 1 man, back shot

(Highest quality:1.5), (masterpiece:1.5), (8k:1.5), 1 man, back shot, (close-up anal:1.1), On the bed, (surrounded by white curtains:1.3), On all fours, legs wide open to the left and right, 20-year-old, shaved head, Huge body, Macho, (Asian people:1.1), (Completely naked:1.2),

body hair, (window:2), (Japanese architectural style:1.5), verybadimagenegative_v1.3, ng_deepnegative_v1_75t, (ugly face:0.8),cross-eyed,sketches, (worst quality:2), (low quality:2), (normal quality:2), lowres, normal quality, ((monochrome)), ((grayscale)), skin spots, acnes, skin blemishes, bad anatomy, DeepNegative, facing away, tilted head, {Multiple people}, lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worstquality, low quality, normal quality, jpegartifacts, signature, watermark, username, blurry, bad feet, cropped, poorly drawn hands, poorly drawn face, mutation, deformed, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, extra fingers, fewer digits, extra limbs, extra arms,extra legs, malformed limbs, fused fingers, too many fingers, long neck, cross-eyed,mutated hands, polar lowres, bad body, bad proportions, gross proportions, text, error, missing fingers, missing arms, missing legs, extra digit, extra arms, extra leg, extra foot, ((repeating hair))