That Day

In this cruel world, where giant monsters known as Titans, roam this world, eating the innocent. Against them, humanity constructed the walls. The walls protected humanity for generations, alongside its protectors. On the moon, Ultraman Tiga and Zetton clashed, and Zetton came out victorious, Tiga landed on Earth, to the moment of fall of Wall Maria. Tiga fused with a human named Asuka, and their adventure of light came.