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avian beak book collaborative collaborative_fellatio collaborative_oral collaborative_sex equid equine erection feathered_wings feathers fellatio female feral friendship_is_magic fur genitals group gryphon hair hasana-chan hasbro horn inside knot knot_lick library licking male male/female mammal multicolored_hair my_little_pony mythological_avian mythological_creature mythological_equine mythology oral pegasus penile penis penis_lick purple_body purple_fur purple_hair sex tongue tongue_out twilight_sparkle_(mlp)two_tone_hair unicorn wings