Hoshimiya Eiji is forced the truth--The Great Destruction was caused by his sister, Sena, and to protect her, he stole her powers and rewrote her memories. With Sena helping him, Gennai begins to open the Gate. The Group of Ten rushes to the scene to face him in the final showdown, but can they stop him in time to prevent another Great Destruction? With Sena's life and happiness at sake, what choice will Eiji make?!