FURVERT!

1:1 2013 aaron_(artist)anthro anus anus_focus backsack balls bent_over biceps big_muscles border butt butt_shot digital_media_(artwork)dragon erection genitals hi_res knot knotted_penis male muscular muscular_anthro muscular_male mythological_creature mythological_scalie mythology non-canine_knot non-mammal_balls nude penis pose presenting presenting_anus presenting_hindquarters rax_zenova red_body reptile scalie solo tail vein white_border