Rule 34 Dev - 2017 4_toes 5_fingers abs anal anal_sex anthro anthro_on_anthro arctic_wolf back_muscles barefoot biceps biped black_claws black_nose blue_eyes blue_fur blue_markings blue_sky blue_tail canine cheek_tuft claws closed_eyes day dead_tree detailed_background duo ear_markings ears_back eyebrows facial_markings fahleir fluffy fluffy_tail fur furry hill leg_wrap lying male male_penetrating mammal markings missionary_position mountain multicolored_fur multicolored_tail muscular muscular_male nude on_back open_mouth outdoors penetration sex short_hair sky smile smirk snout snow stonecircle tattoo teeth toe_claws toes tree tuft two_tone_fur two_tone_tail ulric_arnoux white_fur white_hair white_tail winter wolf yaoi yellow_fur yukki_(snowywolf12)|2631049824