Knuckles the Echidna (Sonic the Hedgehog), (sonic series), masterpiece, high quality, high resolution, 1girl, 1futa, female, solo, (detailed beautiful faces), (perfect anatomy), none wearing clothes, nudes, purple eyes, huge breasts, nipples, huge nipples, abs, huge abs, huge muscles, flexing the biceps muscles, testicle, huge testicle, penis, huge penis, long huge penis, huge penis, huge penis, erection, full body, view at viewers, armpits, happy expression, blushing, cumming, semen, cums on breasts, cums on faces, testicle, tongue, lipstick, sweaty, wet, armpits, musk clouds, gym background

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))