In the battle to decide the fate of humanity, the gods are up by two wins. The god of the seas, Poseidon, enters the arena looking to extend the lead even further. Brunhilde's human challenger, Sasaki Kojiro, takes the field to the shock of the crowd. Can a fighter known for never winning a single fight also be humanity's greatest swordsman? Or is there more to Sasaki Kojiro's reputation as history's biggest loser than anyone can imagine?