Darkero, leader of the Exiled-Heroes, was to wait for the Heavenly army by the will of the Great Creator. After seeing his companions die due to the Transcendence Duror, Darkero wages war against the Dark Order in an final attempt to destroy Duror once and for all. Haruko, who has a love interest in him, followed Darkero, even if it went against the Great Creator’s will. Unable to withstand the might of Duror, they are defeated. To prevent Darkero from dying, she gave him a part of her soul so that he may correct the wrongs that they had done by disobeying the Great Creator. With the destruction of humanity and the End Of Time brought about. Haruko sealed away Darkero within a temple protected by the Goddess Aria. Journey through the Book of the Forgotten Heroes as you uncover the secrets of the past.