Twilight Sparkle, her family, and friends have never failed to triumph over such implacable threats to Equestria's peace and harmony. But now they must overcome their greatest challenge or the very fabric of reality will be shattered and history itself undone! No potent spell or mighty artifact is powerful enough! No words of wisdom wise enough! No regal alicorn is princessissly enough! The only thing standing between utter annihilation and harmonious survival is...

Twilight's virginity.

Trigger Warning: This story is quite silly & sexy - though you should probably read something else if you're looking for romance or lurid descriptions of genitals doing squishy things.