Description:

When Pinkie Pie lends a hoof to help Twilight Sparkle and Spike clean up the castle Library, she discovers a mysterious mirror with the power to gaze into alternate realities. Upon entering the portal-like mirror, Pinkie Pie sets off a chain of events that could spell doom for Equestria! (Source: Seven Seas)

Alternative Titles:

My Little Pony: The Manga – A Day in the Life of Equestria