The World's Number One Assassin!

A middle school student transmigrates into a xianxia world. "Why is this world so different?"

A strange cultivation system: "Cultivating all three origins together is the only way!"

But...

"What's wrong with this world?"

Secrets? Suffering? The poor at the bottom of society?

After returning to the modern world, what will he do?

"What an unjust world!"