Some recommendations

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  Background Pony "My name's Lyra Heartstrings, but you won't remember anything. Listen to my symphony, for it by shortskirtsandexplosions 432,377 words · 6,806 · 242
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  Days of Wasp and Spider No humans. In Equestria's past, ponies exist only to serve their creators. One such pony is accidentally released from her mental chains, but how can one mare save herself and her people if she doesn't even know she's a slave? by Luna-tic Scientist 233,572 words · 1,252 · 31
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  The Best Night Ever Grand Galloping Gala meets Groundhog Day time-loop by Capn_Chryssalid 53,935 words · 5,439 · 82
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  Stallions on Strike! The stallions of Ponyville are tired of being second class citizens and doing all the hard work! Down with the mare! by Aegis Shield 42,661 words · 2,233 · 101
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  Naked Singularity Twilight attempts to write a sensual romance novel. by Cold in Gardez 10,524 words · 3,243 · 57