FURVERT!

abdominal_bulge anal anal_penetration anthro anus balls black_anus black_knot black_penis blue_body blue_horn blue_scales butt claws dragon duo erection feral firondraak genitals hi_res horn knot male male/male mythological_creature mythological_scalie mythology penetration penis scales scalie shiaz size_difference smaller_penetrated white_body white_claws white_horn white_scales