Rule 34 Dev - 1boy 1girl 1girls 2015 anal anal_insertion anal_sex australian_shepherd ball_gag bondage bound breasts canine dog dokuga domination duo erection female female_penetrating female_penetrating_male femdom gag hair happy_sub heterochromia insertion male male_penetrated mammal multi_nipple nipples outdoors pegging penetration penis rat red_eyes rodent sco0t sex_toy straight strap-on strapon taken_from_behind|1993924976