Transmigrated into anime with a martial arts system

A young Korean man living in America was suddenly transported into an extremely similar world to his. The only difference is...

"Wait did he just break through a fucking building?"

the residence of this world had seemingly superhuman abilities. Even the government failed to fight against a single man...wait...

"Is that Yujiro? Wait is that fucking mikey?"

it seems that multiple characters from fighting anime and even manwha were in this world...what should he do?

《 Martial Arts System initiation complete.》
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"What."