Jojo's Equestria Girl's Diamond is Unbreakable Rocking the bizarre Rainbow

Peace has returned to Canterlot High after the Fall Formal last year, but now that peace is threatened by the a group known as the Dazzlings, meanwhile Josuke, Okuyasu, Koichi and Rohan come to Canterlot to investigate a bizarre power.

But once they find out how old enemy of theirs is working together with a dazzling Josuke and his friends must work together with the rainbows to defeat the Dazzlings and a old enemy.