Princess Celestia and Luna were not entirely truthful as to why they left Equestria in Twilight's control. While it's absolutely true that Twilight and her friends are more than capable of handling the control of the Kingdom, the choice to do so had been moved up slightly for other... matters.

Mostly matters involving more free time for the Royal Sisters to bang.

Entry into the April Incest Contest. Contains Incest, spanking, egregious stupidity

Coverart by Shiny-Cooler. If you like my work, consider donating to my Ko-Fi.