Faced with the final battle, both sides head into the battlefield once more to protect the futures of their worlds. In the 2015 Shibuya that has the giant Energy Cube, the fierce all-out war begins. However, compared to the aggressive Frontier S camp, the 17th camp led by Tohru are merely dodging the attacks - but this is because they have a certain plan. The 17th camp had realized that that their enemies were not Frontier S but the Timekeepers, and in the face of death they start their negotiations for Frontier S to assist them in their plan.