Cooperation between the two Tohrus allows them to defeat the Timekeepers, and the battle seemingly ends. However, Tohru from Frontier S declares that the battle is unfinished. Because the Frontier S Tohru cannot believe the eradication of the Timekeepers leads to true salvation for both futures, he challenges the 17th Tohru for one last battle to ensure their future is absolute regardless of cost. The 17th Tohru, with a determined look, accepts the challenge. The ultimate showdown begins, with the two futures at stake.