Great Qin's Wrath System

The protagonist travels to a very strange era. He was taken back to the princess mansion as the princess's savior. This era was called the Warring States Period in later generations. I wanted to take advantage of my advantages as a time traveler, but found out that this era actually has machine beasts and martial arts. Isn't this the bright moon of Qin Dynasty? It seems not entirely true. But it doesn't matter. I have an anger system and I just need to make you angry. Our protagonist has evil intentions and sets his sights on the young heroes of this era. … This is a story about a time traveler trying to flap his little wings in this turbulent era. There will be many original characters who won't like it. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.