A human who loved fantasy novels got reincarnated as an Albino Earth pony in Equestria, being even adopted by a loving family who live in a small hamlet next to Fillydelphia ninety years before the return of Nightmare Moon.

The Equestrian equivalent of the S.C.P foundation comes to contain the most dangerous items and anomalies that Equus has ever had and protects the population of the world.