Alternate version of Saint Seya Omega : The new knights of the zodiac in which several years have passed since the Holy War between Athena goddess of wisdom and Hades god of the underworld, however a new threat comes to disrupt the peace when Mars god of war decides to conquer the World by attacking Saori Kido the reincarnation of Athena. It is to save her as the legendary knight Aioros had done before him that Seiya, former bronze knight of Pegasus and current golden knight of Sagittarius, intervenes. There followed a fight between Seiya and Mars that ended with the disappearance of both opponents. 13 years later, a young boy named Koga who had been saved by Seiya when he was a baby and who was then raised by Saori, is training to become a knight with Shaina, silver knight of the Serpentine and friend of Seiya. It is then that Mars comes back to attack Saori and kidnaps her under the helpless look of Kôga who couldn't do anything to prevent this disaster.

After kidnapping Saori, Mars went to the Mushroom kingdom to kidnap the princesses Peach, Daisy and Rosalina and then to the Hyrule kingdom to kidnap the princess Zelda in order to acquire powers of unsuspected power by drawing on the purity of the hearts of these 4 princesses to become so powerful that he will become the equal of a god in addition Saori's power is extremely powerful but he can't totally empty her of her energy at the risk of killing her and he needs her alive to keep her as a hostage in order to attract Koga and the golden knights in a trap when they will try to save her.

Will Saori be saved before Mars succeeds in his evil plan to conquer the planet Earth and the Nintendo princesses' dimensions ?