Rule 34 Dev - accessory animal_genitalia animal_penis anus backsack balls border butt crossed_legs cutie_mark equine_genitalia equine_penis erection feathered_wings feathers feral genitals grey_border heart_eyes heart_symbol legs_together looking_at_viewer looking_back lying male medial_ring on_front penis penis_accessory penis_backwards penis_ribbon penis_tuck perineum quadruped raised_tail ribbons simple_background solo tail white_balls white_perineum wings petrock hasbro my_little_pony mythology fan_character thought_blossom equid equine mammal mythological_creature mythological_equine pegasus 2015 hi_res|5862723860