Escape Mount Dashi, Protect Mount Dashi

In her previous life, she was a young lady from a prominent family. She refused to become a warlord's wife and ran off with another man, only to die young. Her soul wandered for fifty years before she could be reborn.

In this life, she transmigrates back to find out why and change her fate. By a strange twist of fate, she meets a goofy male lead and a scheming second male lead. They accidentally enter a mysterious world formed by meteorites more than a billion years ago, where the heroine discovers her unusual identity...

In the end, the heroine comprehends the laws of nature, saves all living beings, and returns to the real world.

Between the lover from her previous life and the childhood friend from this one, whom will she choose?