Rule 34 Dev - 2016 anus clenched_teeth duo electricity electro_current_(oc) electrostimulation equine female feral friendship_is_magic grin holding_leg horn lying mammal multicolored_hair my_little_pony on_back pussy smile spread_legs spreading starlight_glimmer strangerdanger teeth underhoof unicorn wide_eyed yellow_eyes yuri|3062319008