The "Saint War" battle between Saint Saint of Goddess Athena and Hades of Hades, which has been repeated since the time of mythology. The story of this work begins in 18th-century Italy, which dates back more than 200 years before Seiya's days. It was a peaceful era, but for a while, new signs of holy war were appearing there ...
Tenma with a bit of violence but a strong sense of justice and a gentle heart who likes drawing. Although their personalities are the opposite, they were close friends.
Tenma acquired the cosmos on his own, and was recognized by the golden Saint tiger tiger, and went on to become a Saint. Alone was chosen as the body for Hades to reincarnate because of his so pure heart that it suddenly changes. Knowing that fact, Tenma mourns and vows to become stronger and regain Alone.
How will Tenma and Athena Saints fight against the Hades army that disturbs the peace on earth?