Muscular anthro rottweiler posing for the camera, veiny muscles

muscular anthro rottweiler posing for the camera, veiny muscles, presenting rear and penis, touching penis. 4k, high resolution, best quality, posted on e621, solo, anthro body, anthro, older male, male, black nipples, pubes, masculine, black_and_tan_body, (bulky, very muscular, thick build, pectorals:1.2), correct anatomy, (countryside background, farm crops, dusk), (by wfa, by Taran Fiddler, by negger), (trucker hat, red pants, open shirt:1.2), (detailed eyes:1.2), sexy, photorealistic fur, (sweat:1.5), smile, shiny muscles, strong shadows, confident, seductive, flirting, half-body shot, looking at viewer