Rule 34 Dev - anal anal_sex animal_genitalia animal_penis anthro anus ass balls bed bedroom biceps big_dom_small_sub blush canine canine_penis claws cum cum_on_ass cum_on_penis cum_string erection fox from_behind_position fur furry furry_only gay german_shepherd group group_sex half-closed_eyes hand_on_back hyena indoors knot looking_back looking_down looking_up lying male mammal manly muscles muscular nude on_front open_mouth orgasm orgasm_face pecs penetration penis presenting presenting_anus presenting_hindquarters saliva sex sharp_claws sharp_teeth sitting size_difference smile spread_ass spreading sweat tail_grab teeth thick_thighs threesome tongue tongue_out white-castle yaoi|2565816568