FINAL FANTASY X tells the story of a star blitzball player, Tidus, who journeys with a young and beautiful summoner named Yuna on her quest to save the world of Spira from an endless cycle of destruction wrought by the colossal menace Sin. FINAL FANTASY X-2 returns to the world of Spira two years after the beginning of the Eternal Calm. Having been shown a mysterious but familiar image in a sphere, Yuna becomes a Sphere Hunter and along with her companions Rikku and Paine, embarks on a quest around the world to find the answers to the mystery within.