Rule 34 Dev - 2020 alan_sylvasta anal anal_sex anthro ass ass_up balls blue_body blue_fur blush brand_new_animal canid canine canis countershading duo erection fur genitals male male/male mammal muscular muscular_male neck_tuft penetration penis sex shirou_ogami studio_trigger t-tipr tuft white_body white_countershading wolf yellow_body yellow_fur|6011917912