12 years after their victory against Hades, Saori Kidö still watches over the peace on Earth from Sanctuary as Athena and over a little baby. One day, the God of War, Mars, invades the Sanctuary. Seiya, the former Pegasus Bronze Saint and now the Sagittarius Gold Saint, comes to their rescue. Both powerhouses struggle to win as the baby observes them. 13 years later, the baby, now a young man named Köga, is training to become a Saint by his teacher, the Silver Saint Ophiucius Shaina...