Everyone Practices Martial Arts: I Loaded an AFK System

[Idle System + Parallel World + Martial Artists + Leveling + Slow-Burn + Traditional Style]

(Not a story where someone becomes a saint in one day or a god in two. Growth is gradual, so if that's not your thing, don't read.)

When Lu Dao woke up, he was surprised to find that the whole world had changed.

The PE teacher no longer called in sick, students no longer ran with their shoelaces untied, and the school field was filled with students sweating out their youth.

What?! Eight PE classes today!

But the biggest surprise was yet to come.

Demonic caves were opening, and terrifying monsters could invade the human world at any moment. When they did, the entire world would become a living hell.

Powerful martial artists stood on the front lines, guarding the last light of humanity.

After realizing all this, Lu Dao resolved to work hard, cultivate an unbreakable will, and become the strongest martial artist, so he could protect what mattered to him.

But after three minutes of hard work...

“System, give me two more hours.”