Rule 34 Dev - 2015 3_toes anal anal_sex athletic balls_deep biceps big_muscles big_penis claws closed_eyes cum cum_inside custapple deep_penetration digitigrade dota dota_2 duo ears_back earthshaker erection fin fish fur greyscale licking licking_lips looking_pleasured male male_only mammal marine monochrome muscular penetration penis raigor_stonehoof_the_earthshaker shaded side_view simple_background size_difference sketch slark_the_nightcrawler slightly_chubby slim small_dom_big_sub sweat tail_fin toes tongue tongue_out video_games white_background yaoi|2388637160