Rule 34 Dev - 2020 2boys anal anal_sex anthro arched_back balls blush canid canine clothed clothed_sex clothing comic cum edit equid equine fox from_behind_position gay genitals horse japanese_text junior_horse knot male male/male male_only mammal manmosu_marimo pants_down partially_clothed penetration penis senior_fox sex standing standing_sex text uncensored yaoi|5153746368