Masterpiece, Best quality, High quality, Extremely detailed CG unites the girls，Spread your legs，sexual expressio，sitting in the couch，face to the viewer，Straight long black hair，Flat lower abdomen，crisp breasts，and wear no underwear，Place your hands behind your back

(nsfw:1.5),ng_deepnegative_v1_75t,deformed, missing limbs,amputated,pants,shorts,cat ears,bad anatomy,disfigured, poorly drawn face, mutation, mutated,ugly, disgusting, blurry, watermark, watermarked, oversaturated, obese, doubled face,b&w, black and white, sepia, frekles, no masks,duplicate image, blur, paintings, sketches, (worst quality:2), (low quality:2), (normal quality:2), lowres, normal quality, monochrome, grayscale, bad anatomy,(fat:1.2),facing away, looking away,tilted head,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,worst quality,low quality,normal quality,jpeg artifacts,signature,watermark,