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after_transformation against_natural_surface against_surface against_tree ambiguous_penetration anthro au69 balls blush bottomless bottomwear bottomwear_down bouncing_breasts breasts building canid canine city city_background claws clothed clothing doggystyle duo evergreen_tree eyes_closed female from_behind_position full_moon fur genitals grass grey_body grey_fur hi_res howl human implied_transformation interspecies kneeling male mammal moon mythological_canine mythological_creature mythology navel night nude open_mouth outside outside_sex pants pants_down partially_clothed penetration penis pine_tree plant raised_clothing raised_head raised_shirt raised_topwear sex shirt signature size_difference star topwear torn_clothing tree werecanid werecanine werecreature werewolf