The defense team failed? I turned into Jagger.

Monsters are coming and the world is in danger. In order to fight against the monsters, humans form a defense team and build monster mechas.
Shen Yi, who traveled through time, chose to join the defense team in order to make money to protect his sister. In order to successfully pass the assessment, Shen Yi trained hard, but failed for two consecutive years.
Finally, when he took the assessment in the third year, he successfully reached the defense team standards. However, just when he was about to be admitted, Shen Yi's place was replaced by a candidate with a background, and he failed again. Shen Yi had no choice but to give up.
Just when Shen Yi was disappointed with his own weakness, his heart longing for power called upon the system and he successfully obtained the Gagra template and the dark ring.
Shen Yi can unlock monster cards by continuously killing monsters to gain stronger powers. In this way, a ruthless monster hunter appears on the stage, and humans are about to witness one world-destroying horrific monster after another!
Are you fast? Are you faster than my Hypergeton?
Great power? Have you asked my Mog Snake?
Strong firepower? Then let me show you Gilbaris's full firepower!
I only need to make a slight move, and that will be your limit!
As for the defense team? Even dogs wouldn't go there!

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