Rule 34 Dev - 2016 all_fours anal anal_sex anthro anthro_on_human anthro_on_male back_muscles barefoot biceps duo eye_contact fangs feline fur furry gay hand_on_head human human_on_anthro interspecies looking_back looking_down lying male male_on_anthro male_only mammal monochrome motion_lines muscular muscular_male nude on_front open_mouth penetration rollingstoneeeeee sex simple_background speed_bump_position stripes tears tiger toes tongue tongue_out white_background yaoi|2538546992