Several years after the world was saved by Ultraman Trigger, mankind has turned its gaze skywards to space. Suddenly, unidentified orbs dubbed “Sphere” invade! They begin their attack on Earth. Asumi Kanata, son of a rice cracker grocer, witnesses this tragedy unfold before him, and vows to protect the people. As he does, he is enveloped in light! And the new form he takes on... Is it a new Ultraman?!