Synopsis

Having repelled the Hoppers into another dimension, Yusuke disclosed that a mysterious figure had informed him of Decade. As Ai and her team journeyed to Mount Hitoki for investigation, a dark mist began to emanate from within, heralding the return of N-Gamio-Zeda. Revived by the dimensional disturbances, he unleashed his miasma, transforming humans into Grongi. While Yusuke rescued Ai and escorted her to a hospital, Tsukasa battled the Grongi alone. With a fading voice, Ai urged Yusuke to conqu