WARNING: If you did not play the game Undertale (both endings), you will be VERY confused. Frisk made many mistakes for doing the genocide route in her timeline. But as if by miracle, she was sent to another world before making the worst choice ever.
After the event in Rainbow Rocks, Sunset Shimmer Finally realized she needed to fix her past in Equestria. The only way to do that was for her to go back.
Twilight and her paranoid alternate have been living together for almost a year now, and Twilight Sparkle thought it would be a great idea to celebrate Hearths Warming Eve with her... Big Mistake.
Time had passed for the hero Yu Narukami, and it was already summer vacation. He remembered making a promise to all of his friends in Inaba that he would visit them whenever he got the chance. But the fog of lies do not simply fade away in one world.
Levi is a nice guy, he's done all he can to help the people in his life. The only problem is, those people don't exactly give him the same thing. Which is why a certain white Alicorn helps him with his life.
Princess Celestia sends Twilight to a human school to learn how to be more human in case another incident happened... but what Twilight finds is that Yokai Academy is nothing like the human world she went to before.
It's been about eight years since Phoenix proved Rainbow Dash's innocence. And a lot has happened during that time. Not just for Phoenix, but for the Ponies as well.
My faithful student, Twilight. I ask that you please come to Canterlot immediately. I have an important task for you to take. This task will help us get a better understanding of species other than pony kind. Your teacher, Princess Celestia.