Three days after the climactic battle that results in Nightmare Moon being banished to the moon, Celestia feels lost and confused. In a search for answers, she returns to the Castle of the Two Sisters, only to find herself under the thrall of some powerful forbidden time magic.
Written as part of the No Author Left Unnoticed group's first competition.
What's a mirai?
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"Mirai" means "Future", Watch this, all will be made clear.