Rule 34 Dev - 2boys abs angry background_character bara biceps brand_new_animal brown_fur bulge canine canis chest_tuft detailed detailed_background fangs fur furry grey_body grey_fur guoguo hand_on_hip handcuffs male male_only muscular_thighs pecs penis_outline shirou_ogami tail text thick_thighs tight_clothing two_tone_fur underwear white_fur wolf wolf_ears|10146264968