Who Made Him Become Ultraman?

When a young boy finds himself transported into the world of Ultraman and gains the power to transform into Ultraman through opportunity, how will the entire Ultraman world change? "Teliga, don't be afraid of any monsters you encounter, face them with a smile, Smailusmailu~" "Ake, let me tell you what Takuma calls Takuma's imagination!" "Ged, here, I'll give you this. With it, you can kill all the Belials in the parallel universe." "What, you want me to destroy Ultraman Noah? Very good, now I officially name you Ultraman Noah, eat me~" "The earth is round, and one day we will meet again. Remember, my name is Liang Tu, just a passing Ultra boss." Facing the appearance of Liang Tu in many Ultra worlds, all the Ultras cried out in their hearts: "Who made him become Ultraman in the first place?"