Rule 34 Dev - 1futa after_transformation anthro balls big_balls big_breasts black_border bodily_fluids border brain breasts cum earth_pony elemental_creature equid equine flora_fauna futa_only futanari genital_fluids genitals glowing glowing_genitalia glowing_nipples glowing_penis gynomorph hasbro hi_res horse hybrid hyper hyper_genitalia infestation intersex involuntary_masturbation mammal masturbation mind_control my_little_pony nipples parasite penile penile_masturbation penis plant pony precum saliva saliva_on_penis saliva_string solo transformation xorza|5973073528