anus blue_eyes butt cutie_mark dildo equine female feral friendship_is_magic fur hair half-closed_eyes hooves horse insertion long_hair mammal masturbation my_little_pony oral penetration pink_fur pink_hair pinkamena_(mlp) pinkie_pie_(mlp) pony pussy pussy_juice saliva sex_toy solo stoic5 tongue vaginal vaginal_insertion vaginal_penetration