I Was a Hacker in the System Era

In the era of the national system, Li Muchen awakened from the [Trojan horse virus] and became the only "hacker" in the world! The skills of a strong man? Great, it's mine now. A secret place full of treasures? Sorry, it can also be cracked. Hidden features? Open it for me in advance! I wanted to develop in a low-key manner, but life didn't allow it. When Li Muchen tampered with the rules of the world with one click, he discovered that the truth about the universal system was...