In the 1980s, I Married the Male Lead’s Uncle and Became a National Treasure Through Research

[Period Setting + Beloved by Her Family + Scientific Research + Satisfying Story About Strengthening the Nation + Learning System]

[Cool, headstrong scientist X aloof, abstinent big shot]

After being bound to a System, Tang Xi learns that she’s the wicked supporting character in a period novel.

In the book, she uses her childhood betrothal to cling to the male lead, competes viciously with the female lead, and acts like a lunatic.

In the end, she’s abandoned by everyone and reduced to living on the streets.

So the first thing Tang Xi does after coming to her senses is take her marriage contract and go to the Wen family.

In front of everyone, she ignores the original male lead and points to someone else:

“I choose him as my betrothed.”

That cold, abstinent man of high rank and authority is Wen Jiuyuan, the male lead’s uncle.

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Tang Xi thought a learning System would be about things like:

Chinese, math, politics, physics, chemistry...

But instead, it’s all:

A guide to light weapons, a step-by-step nuclear bomb-making tutorial, an introduction to building electromagnetic cannons, an overview of directed-energy weapons, a maintenance manual for interstellar warships...

Tang Xi: ???

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Everyone knows that Wen Jiuyuan, the big shot, is cold and aloof and has never been interested in women.

Then one day, word gets around that, at his parents’ request, Wen Jiuyuan has registered his marriage to his childhood betrothed.

They say she’s a village girl from the countryside, and everyone watching feels sorry for him, saying it’s a shame for Wen Jiuyuan.

Until one day, they see Tang Xi at the entrance to his workplace, there to visit him.

What? This delicate, ethereal beauty is the village girl everyone’s been talking about?

What? The beauty is also a renowned defense-industry expert?

[The female lead falls in love after marriage; the male lead’s secret crush becomes reality]