The protagonist Shoko is a junior high school student at Ryusei Gakuen Junior High School. Her sister, Hibiki, who was very close to her, has been missing since she went abroad to study 5 years ago. One day, an unidentified person suddenly attacked Shoko. The one who attacked her was the evil spirit, a subordinate of the evil god Eris, who was sealed by the goddess Athena in the past. Shoko then learned about the existence of Athena, the Saints, and the Saint Girls, and also learned about the cruel fate of herself and her sister. The evil god Eris, whose soul was sealed, is about to be resurrected, and the evil spirits are also becoming active. While Seiya and others are engaged in the Galactic War and the fierce battle with the Zodiac, Saori and the Saint Girls are fighting a heroic battle with the evil spirits with the help of the power of the Gold Saints! And there are signs that the evil Saga is resurrected... Shoko, who has just started training to become a Saint Girl, holds the key to everything! Even if they are knocked down by cruel fate, the girls still resist fate. The story of the girls' heroic battle with the gods begins!