FURVERT!

2013 4:3 artificial_intelligence balls black_balls black_body black_fur black_penis blonde_highlights crossover duo equid equine erection eyes_closed fellatio female female_focus female_penetrated feral fur genitals glados grey_hair hair hasbro highlights_(coloring)horn horse machine male male/female male_penetrating male_penetrating_female mammal multicolored_hair my_little_pony mythological_creature mythological_equine mythology oral oral_penetration penetration penile penis ponification pony portal_(series)robot sex solo_focus two_tone_hair unicorn valve valve_corporation white_body white_fur yellow_eyes