Transcending eternity, the 12 Gold Saints return to protect love and peace on Earth! They gave their lives to destroy the Wailing Wall to break the way for Seiya and the Saints in their battle against Hades in the Underworld! Though presumed to have perished, Aiolia and the other Gold Saints return to the beautiful earthly world of radiating luminescence! Why have these lost souls been brought back to life? Shrouded in this deep mystery, Aiolia becomes embroiled in a duel. When he burns his Cosmo to its limit…the Cloth of Leo transforms! In 2015, the Golden Cosmo is finally revived!

An anime-original spin-off/sequel based on the Saint Seiya series: The god of war and guardian of his namesake planet, Mars, was once sealed away by Seiya, but time has passed and his revival is at hand. Meanwhile, Saori Kido is raising the boy Kouga, whose life Seiya saved, and he's been training every day to become a Saint in order to prepare for the coming crisis. Unaware of his destiny, when Kouga awakens to the power of his Cosmo hidden inside him, the curtain will rise upon the legend of a new Saint.