alien alien_(franchise) ambiguous_gender arthropod bladed_tail dream drooling eyeless hybrid koryface monster multi_leg multi_limb nightmare_fuel nonhumanoid open_mouth saliva solo starship_troopers warrior_bug xenomorph  blue blue_body crux dragon eyes_closed female horn horns lying nonhumanoid nude on_back penetration plain_background pussy pussy_juice saliva sex size_difference slate slate_(artist) sophia spread_legs spreading teeth unbirthing vaalkk vaginal vaginal_penetration vore white_background