Yuki Totsuka

A being of light hailing from a faraway galaxy unites with Yuma, the protagonist who owns tremendous “power of imagination,” and they form the gigantic new Ultra Hero: Ultraman Arc.

Twenty-five years after a college student vanishes—leaving only the first joint of her finger behind—the case remains unsolved. Her twin brother, now a local police officer, is forced to team up with a transferred elite cop he doesn’t get along with. When a call leads them to search for a missing elderly man, they uncover clues that may finally unravel the long-buried truth.

Ritsu Aida (17), a second-year high school student, begins living alone at his grandmother's house after his parents are transferred overseas for work. However, on his very first morning there, he wakes up to find an unfamiliar young man, Nagi Asakura, standing beside his bed. Calmly introducing himself with, ""Because I'm a ghost,"" Nagi seems to be visible only to Ritsu. And so, their strange life together begins. Often isolated at school, Ritsu gradually grows closer to Nagi, who stays by his side morning and night, sometimes even causing little commotions just to get Ritsu's attention. As Nagi's past and lingering regrets slowly come to light, Ritsu finds his heart beginning to race. Then, on a snowy night, Nagi suddenly disappears. Left behind alone, Ritsu finally comes to realize the true nature of his feelings — and where they may lead.

A mysterious space sage entrusts Yuma with challenges that surpass the limits of his imagination with a stake too high. He asks, "Should you fail… then you… will lose your power as Arc." The burden of protecting Hoshimoto City alongside SKIP members are twisted by Sascal, who manipulates them, sending challenge after challenge toward Yuma. Battling giant kaiju, an evil alien bent on destruction, and a warped dimension where even time itself is distorted, Yuma must confront the ultimate test. Will he... will Ultraman Arc overcome the greatest challenge yet and protect the future, surpassing the limits of the power of imagination?