Are All the Villains Time Travellers? Coincidentally, so Am I

Ye Xuan originally thought that he was just an ordinary protagonist of a cool novel. But he didn't expect that the villain hid the system and forced himself to break off the engagement with his fiancée. He was waiting for him to burst into the protagonist's halo, and then calmly slap him in the face? The young master of a rival family is hiding his system and is preparing to slap him in the face when he shows off his cultivation? Even the handyman at the auction secretly hid the system, waiting to slap him in the face when he showed off in front of him? Everyone is waiting to get slapped in the face? ! Are all the villains time travellers? ! What a coincidence, so am I——! ! ! Do you have a great system? Mine is even more powerful——! After all, I am the protagonist——! ! ! … This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.