(Yu-Gi-Oh! + Tokusatsu + Magical Girl + National Luck + Monster Game + Uncertain Transgender Factors)
"Why? Why do you want to protect humans!"
Facing the Shining Hypajton, the Infinite Brave Ampera, Grizza Transcendence, the World's Guardian EX Gatanje, the Star of Peaceful Civilization Sphia's Matrix Strong, the Twin Stars Guardian of the Universe, the Angel of Root Destruction, the Twin Stars Guardians of the Universe True Rugset, and... The descendant from outside the territory, the Blue-Eyed Star Dragon (Yusei), the savior of Liutian.
The villain launched his last struggle, triggering the entire destruction of the universe.
The big collapse, the big freeze, and the big tear come at the same time
And these all occur in the form of natural phenomena in the universe, and Yusei cannot deal with a bunch of conceptual-level abilities and characters.
But... He can.
In the end, he liberated himself and saved the universe by sacrificing himself. He thought he was finished.
Who knows...
"Are you my familiar?"
…
Oh, could it be that my journey as a time traveler has finally started on the right foot?
(The protagonist and the heroine are both good people and saviors, so various things will happen during the process because of saving people, and there will also be classic public opinions, so if you want to see me not eat beef or give suggestions, if you don't like this kind of plot and character design, you can avoid it first)