a pegasus mother and a hedgehog son

at the age of eight, sonic the hedgehog gets mysteriously transported to equestria and gets adopted by fluttershy, five years later, twilight sparkle visits and then, sonic learns, he's a bearer of one of the seven elements of harmony, he embodies bravery and then helps his mother and his new friends as they endure many misadventures (follows the mlp fim arc)