Ultraman Nexus (2004)

Earth is in a secret war against the mysterious Space Beasts, unknown organisms which feed on human beings. TLT, a top-secret international defense organization, was humanity's last hope against the Space Beasts. The story revolves around, and is generally narrated by Komon Kazuki, a new recruit to the TLT's battle team, Night Raiders. On his way to the TLT Headquarters, Komon is attacked by a Space Beast. Luckily, he is saved by a mysterious giant known as Ultraman Nexus. As Komon steps deeper into the true reality unknown to other people, mysteries surrounding the Ultraman and his mysterious foes is revealed. Humanity's final fate will be determined by the bond of Light, Nexus.