This story is based off the DS game of Reverse Of Arcadia with different a slightly different story-line. And no this is not actually Shadow the hedgehog but the Yugioh human version of Shadow who is from the Satellite and was a member of the Enforcers.
Sonic and The gang travel to the Equestria Girls World to track down Egg man and they take on human forms. Twilight was too late to get through the portal and now shes stuck there. And she meets new students who seem to possess extraordinary powers and not from the world of EQ Plus Sunset Shimmer Also falls for the same student named Shadow.
Shadow travels to a new dimension with his family( Maria and Pro. Gerald) to start a new life as a family and starts at his new High school. Shadow meets a country girl named Applejack and the two start to have feelings for one another. But what happens when the Apples Farm land is threatened what can Shadow do to help?
STORY IS CANCELLED AND IS CURRENTLY BEING REWRITTEN
After Mephiles arrives to Equestria, Shadow is brought to Equestria to him. But Shadow's true role is revealed. Also for the first time falls in love with Twilight Sparkle.
Rap Between Flash Sentry(MLP) and Shadow The Hedgehog(Sonic Series)