(duo, big size difference, father and son: 1.9) Shark antrum muscle, (Standing, son touching dad's dick and kissing to the viewer: 1.9). 4k, high resolution, best quality, published in e621, single, antral body, antro shark, light gray and white body, older man, young boy, male, masculine, (very muscular, thick build, pecs:1.2), correct anatomy, (live background , beach, dawn), (by wfa:1.0), (by Taran Fiddler, by black:1.0), gray nipples, (jockstrap, crotch bulge:1.3), (detailed eyes), sexy, smile, shiny muscles, big nipples, big dick, strong shadows, confident, seductive, courtship, half-length shot, photorealistic skin

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))