Rule 34 Dev - 2017 2boys anal anthro_penetrated anthro_penetrating anthro_penetrating_anthro anus backsack bathroom bent_over biped bodily_fluids brother brothers canid canine covering covering_mouth crying cub detailed_background dialogue dominant door duo ears_back english_text erection face_grab forced from_behind_position furry furry_with_furry genitals greyscale hand_on_mouth highres incest inside joeycwolf larger_male looking_up male male_focus male_penetrated male_penetrating male_penetrating_male mammal monochrome muffled multiple_boys muzzle_grab muzzle_held nude open_mouth original penetration penis pivoted_ears raised_tail rape sex sibling siblings signature sink size_difference smaller_male standing tears testicles text toilet wolf yaoi younger zooshi|2354757732