My Nemesis and I Transmigrate Together to Help a Prince Claim the Throne

(Transmigration + HE + a somewhat willful heroine who changes later on)

Shen Yaoqing and Gu Nanshuang had been rivals since childhood. After graduating from college, they joined the same company and fought every day, competing for sales and poaching clients. They even got into a fight in an elevator, then unexpectedly transmigrated to ancient times.

Shen Yaoqing became the legitimate daughter of the prime minister, while Gu Nanshuang became the legitimate daughter of a great general. As usual, they carried on their rivalry from their previous lives.

They competed in poetry at a poetry gathering, made a name for themselves, and won the favor of influential people in the palace. They entered the palace as study companions to a princess, and continued their rivalry.

One day, Shen Yaoqing created an ancient version of “foundation,” and that same day, Gu Nanshuang made an ancient version of “lipstick,” with plenty of shades to choose from...

After coming of age, both had to marry. They were of noble birth, and their marriages weren't theirs to decide. But since they had to marry, and had come all the way to ancient times, why not experience what it was like to be an empress, the mother of all under heaven?

But with several princes before them, whom should they choose? The third prince, the most favored and gentle-mannered? Or the fourth prince, the empress's adopted son, graceful and distinguished, with a far-reaching reputation for his talent?

In the end, Gu Nanshuang was very pleased with her choice. Shen Yaoqing, however, never expected to choose the one she had thought least of...

Shen Yaoqing became the Princess Consort of Beiyao, while Gu Nanshuang became the Princess Consort of Yingchuan. Using their wits, they helped their husbands grow stronger.

Beiyao had strong troops and powerful horses, and could not be underestimated. Yingchuan was blessed with outstanding people and fertile land, and was wealthy and prosperous.

When the emperor suddenly fell gravely ill, the princes all began plotting for the throne. The two women acted decisively, returning to the capital to help their husbands ascend the throne.

This time, she beat her...