Rule 34 Dev - 2013 animated ass blue_fur blush cowgirl_position cum cutie_mark duo equine female feral friendship_is_magic gif hair hetero horse male mr._cake mr._cake_(mlp) mrs._cake mrs._cake_(mlp) my_little_pony penetration penis pink_hair pony sex testicles trinity-fate62 vaginal vaginal_penetration yellow_fur|344617