absurd_res alien alien_(franchise) alien_vs._predator_(franchise) black_and_white breasts claws cowgirl_position darkness789 duo fangs female female_on_top female_penetrated from_front_position genitals greyscale hair hi_res humanoid humanoid_genitalia humanoid_pussy interspecies male male/female male_on_bottom male_penetrating male_penetrating_female monochrome muscular muscular_female nipples non-mammal_breasts non-mammal_nipples on_bottom on_top open_mouth penetration predator_(franchise) pussy sex simple_background straddling tail teeth white_background xenomorph yautja