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abs alien alien_(franchise)anthro belly big_breasts big_butt big_penis black_body black_skin black_tail black_tubes bodily_fluids bound breasts butt claws cowgirl_position dangerous digital_media_(artwork)dragon duo eyeless fangs feet female female_penetrated from_front_position genitals green_body green_skin horn humanoid humanoid_on_anthro inner_mouth larger_female larger_penetrated lips looking_at_another lying male male/female male_penetrating male_penetrating_female muscular muscular_male mythological_creature mythological_scalie mythology navel nipples on_bottom on_top open_mouth penetration penis resistance resisting rohan_scribe saliva scalie seductive sex simple_background sitting size_difference smaller_male smile sweat tail teeth thick_thighs tongue tongue_out vulva xenomorph