Nahane and Ohanefu, new foes hailing from outer space, have come to claim Earth as their own with the help of mysterious Giant Monstrous Beings. The Ultra Evolution Institute holds the key to their scheme, and it was with their clandestine development of Shinkalion ALFA-X that the impending battle was foreseen. The once-peaceful life of Hayato and Team Shinkalion is disrupted once again. Hokuto, Hayato's father, becomes missing amidst an enemy onslaught, and Hayato is riddled with paranoia. However, a 9-year-old Hokuto suddenly comes through a time portal! Glowing Particles have transported him through space and time, and he is determined to be the driver of Shinkalion ALFA-X. This technological marvel is designed to save Earth and restore it to its former glory. The Hokkaido Branch, Yamagata Branch, Ōmiya Branch, Nagoya Branch, Kyoto Branch, and Moji Branches unite as Team Shinkalion, and they must overcome their strongest and most dangerous adversary yet. The fate of Japan hangs in the balance. Will Team Shinkalion be able to secure peace and protect their homeland? And will Hayato ever be reunited with Hokuto?