For Whom the Bell Tolls

In the idyllic town of Emerald Acres, Sun Spark lives a normal, rather boring life until the odd behavior of her friend, Silver Bells, catches her attention. And this leads Spark into discovering a secret Silver's been hiding from her all this time. She's an Equi Magi, a pony trained to fight witches under a mysterious contract by a strange cat-like creature named Myubey.
And from her discovery Sun Spark makes a decision with Myubey that will forever change her destiny..

(madoka magica/fim crossover)