Hyperdimension Neptunia Re;Birth1 Deluxe DLC

In the world of Gamindustri, four goddesses fought for supremacy in the Battle of the Guardians. Neptunia, one of the goddesses, was defeated and cast down from the heavens. After her fall, she lost her memory, but a mysterious book with the history of the world fell into her hands. Now the young goddess must travel through the four worlds in search of salvation for the entire world.