In the Moonlight and Stars

When a young lady in ancient times was unexpectedly in danger, she opened her eyes and discovered that the world had long since changed. When she met him again, he was no longer the fiancé who was about to marry her, he even had someone he liked. She doesn't care, but the resemblance may not be him. Even if it is him, if you are ruthless, I will give up. I am beautiful alone. It's just that more and more complicated and confusing things are related to him, tightly uniting the two of them. One day, he suddenly discovered that the person he liked was so similar to himself. Are all the encounters in this world caused by fate in the previous life? Or is it intentional?