Datang: No, Changle Is Actually His Ex-Girlfriend?

In the fourth year of Zhenguan, Chen Xiu traveled through time. He was supposed to die of a terminal illness, but when he was reborn, he also got a golden finger. "After marrying Princess Changle, the system will be activated." Chen Xiu didn't take this seriously and used his advanced knowledge to show off his skills. But soon, he discovered something was wrong. "How come there is alcohol in the Tang Dynasty? Princess Changle invented it?" "Awesome, band-aids have appeared, was it Princess Changle who invented it?" "Hiss... Is this scalpel too much? Was it invented by Princess Changle?" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.