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anal anal_penetration anthro arm_support bovid bovine bull_worker_(furronika)butt canid canine canis cattle clothing comic dialogue dog_worker_(furronika)domestic_dog duo ear_piercing empty_speech_bubble erection from_behind_position fucked_silly furronika genitals greyscale hand_on_butt hand_on_leg hand_on_thigh headgear headwear hi_res horn lying male male/male male_penetrated male_penetrating male_penetrating_male mammal monochrome multiple_scenes muscular muscular_male nude on_front penetration penis piercing prone_bone_position sex short_tail speech_bubble speed_bump_position tail tongue tongue_out vein