Rayearth OVA

Hikaru, Umi and Fuu are just about to finish junior high and move away from each other. They don't want to be seperated, so a week before graduation they make a wish under a cherry blossom tree, to be together forever. The fairy of the tree hears their wish. That night they are out together having fun when Hikaru sees the fairy and runs blindly across the road to get to it. At this point her spirit guardian contacts her and gives her magic powers. She sees a man standing on Tokyo Tower in a vision, he sees her too, then he is attacked and is forced to sort of freeze the whole world, He, Hikaru, Umi, Fuu and the bad guys are the only ones left and the battle has begun.

Synopsis from Anime News Network