Round one of the Nation Extinction Tournament, Japan vs. the United Kingdom, reaches its climax! With their Theseus Cells unleashed, Hasuichi and Albie enter a battle beyond human comprehension. Both competitors spare no effort in analyzing their opponent's abilities and strategizing for victory, but who will come out on top as their nation's hero?! And when round two begins, the pride of two superpowers—America and China—will be on the line...