Did I Become Tiga?

Travel to the world of Ultraman Tiga. But there is no Tiga in the luminous pyramid? This world has not turned into light since ancient times? But it doesn't matter to me, because as a time traveler, I have obtained the Spark Mirror, but can I bear this responsibility? Can I do better than Dagu? I can't lose, because if I lose, the world will be hopeless! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.