The curtain falls on the story of the high school prodigies' revolution in another world! Having ended the civil war in Yamato, Tsukasa and the others can head to the elf village and put what they've learned from Adel's memoir to use. Just who or what exactly is the "wicked dragon" Yggdra, and why did she summon them to this world? As their long journey comes to a close, it's finally time for them to learn the truth...