In the future era where Li Mumu resides, human technology has advanced to the point of creating advanced artificial intelligence.
Among these, the most advanced AIs are the military version "Qingqiu" and the civilian version "Tushan".
How advanced are these gadgets? In short, they're advanced enough to reproduce on their own.
Back at Daylily Academy, a set of "Tushan" was installed in the quantum computer underground. Its primary use was to feed the Little Dragon Girls... The phrase isn't pleasant, but that's the gist.
It was specifically responsible for designing various trial challenges for Li Mumu and her group of reserves to rapidly hone their minds.
For instance, you're riding with your best friend to the zoo, and it prepares 500 dump trucks on the road for a little surprise.
Or you're competing with a drone, and as soon as it flies up, it loses control and turns towards you with a burst of fire...
Such malicious actions are glorified as trials.