The chain reaction of events started for them over 10,000 years ago, when the Crown Princess died for her family and continued when they were reborn. Now it's a question of life and death, as they fight against the main force responsible for the destruction of the Silver Millennium.

Leaving the countess school and her friends behind, Serena stumbles upon the Dark Prince and Malachite on her walk back home. As the barrier to her memories is shattered, she remembers the true events of her past and follows her other half as Beryl begins her hunt once more for the seven owners of the rainbow crystals as Serena is lead to her final decision and path.

A year has passed since the battle against Galaxia and Chaos, and the planet Earth has finally healed. But as a new enemy makes its appearance, its up to one scout to save it all. Yet, the rules have changed and fate has a new plan, can Earth be saved or is it all over?