FURVERT!

anal anal_penetration anthro crius dominant duo from_front_position genitals green_body green_scales hi_res horn humanoid_genitalia humanoid_penis larger_dom lizard lying male male/male male_penetrated male_penetrating male_penetrating_male missionary_position muscular nipples on_back penetration penis red_body red_scales reptile scales scalie serpentine sex size_difference small_penis snake v-i-e vein veiny_penis