Temporarily obtaining the Den-O Watch, Sougo holds the power of Grand Zi-O in his hand for only a moment before Yuuto interferes to protect the future from the tyranny of Oma Zi-O. Needing to stop Another Den-O’s rampage and the Mole Imagin, but without the DenLiner to travel back in time, Momotaros enlists the help of Geiz to travel back to 2017…
