[Tang Dynasty] Choosing to Attach Myself to Princess Pingyang from the Start

Chi Xingqiu had always thought of himself as a lazy couch potato content to coast through life. After winning the lottery and becoming financially independent, he felt that way even more strongly.

But one day, when he opened the door to his bedroom, he somehow acquired a time portal. Before him appeared the resplendent Tang dynasty, a place countless people had longed to see.

The problem was that Chi Xingqiu, who was useless at pretty much everything, had no desire for this opportunity at all.

When Princess Pingyang took one look at him and had him "invited" to the general's residence, all he wanted to do was scream: Help!

At that very moment, the wheels of history began to creak and turn in a different direction.

Princess Pingyang: Do you know how to make gunpowder?

Chi Xingqiu: Let me look it up when I get back, then I'll tell you.

Princess Pingyang: What about telescopes?

Chi Xingqiu: Let me look it up when I get back, then I'll tell you.

Princess Pingyang: Soybean oil. Surely you know how to extract soybean oil?

Chi Xingqiu, calmly sipping his tea: I know you're in a hurry, but don't rush me. I'll look up the information in the modern era and tell you when I get back.

Princess Pingyang, smiling on the outside and losing her mind on the inside: It takes you ages to go back and forth. What use are you to me?

P.S. This is a romance novel with a male protagonist, but note that the male lead is weak and the female lead is strong.

P.P.S. This is not historical fiction. It takes place in a parallel world. I'm not good at history, so please don't nitpick. If you tell me otherwise, you're right.

Theme: Create happiness through hard work.