FURVERT!

1:1 anthro anus balls big_balls big_butt big_penis bodily_fluids butt butt_grab claws clenched_teeth delfucko duo feet female genitals green_body hand_on_butt hi_res horn imminent_orgasm kobold larger_female male male/female non-mammal_balls on_bottom on_top penetration penis reverse_cowgirl_position scalie sex size_difference smaller_male smile sweat tail teeth toes tongue tongue_out vaginal vaginal_penetration vulva