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animal_genitalia animated animated_gif anthro areola balls blush book bouncing_breasts breast_growth breasts butt butt_expansion canid canine canis covering covering_face digitigrade domestic_dog embarrassed expansion female fully_sheathed gender_transformation genitals growth hair hair_growth knock-kneed magic magic_user male mammal mtf_transformation mulebris nipples sheath short_playtime smile solo spellbook surprised transformation transformation_through_magic vulva wide_hips