Harmony kingdoms

A twelve year old boy, akio, lives with his two best friends in an orphanage who share the same dream; changing history so that they're always remembered. One night, that dream is about to come true. After a strange dream akio has, he sees a storm at the old stone castle he and his friends play at, and sees that they're gone. Realizing they're at the castle. When he made it there though he was too late. His two best friends get sucked into darkness and he couldn't do anything to save them. However, in between the events of his two friends being sucked into darkness, he finds a strange sword with its blade being made of six blades shaped as the elements of harmony. It was called the sword of harmony, a legendary sword that has chosen him to complete a task passed down by legends. However, by finding this blade, he to ends up being sucked into darkness and is saved by a white unicorn pegasus figure, who brings him to the one world that's in need of his help; equestria. At there, he will team up with the mane six. Will he find his lost friends? Who is this tirek and what is he after? Why did the sword of harmony choose akio? Is his world safe and will he and his friends be able to return to that world? Only time will tell in the lands of the harmony kingdoms.