After Rebirth, the Heroine is Consumed by Overwhelming Regret

After transmigrating into a book, I fell in love with Ling Aorui, the one I was supposed to win over.
She was the heroine—powerful, beautiful, noble, and pure. She had almost no flaws, except for her blindness. After losing her sight, she became insecure and sensitive, and I saved her from several suicide attempts.

I made a deal with the system to cure her eyes. The price was a shortened lifespan—I wouldn’t live more than ten years.
I wasn’t afraid. She said she would marry me and share a life-linking bond with me.

But I overestimated her love for me.

After her eyes were healed, she returned to the pinnacle of the Immortal Realm. The young masters from noble families who had previously ignored her now flocked to curry favor. This included Hua Jiaolian, the demonic sect’s enchantress who had once been her sworn enemy.
The two of them fought from morning till night, and then from night till morning. Eventually, when the enchantress was on the brink of death, she pulled Ling Aorui in by the waist and planted a retaliatory kiss on her.

Ling Aorui’s eyes widened.
It was melodramatic, bizarre, a freak coincidence—the enchantress didn’t die. Instead, Ling Aorui planted a life-linking bond in her, and she moved into Ruiqing Palace, which was supposed to be our marital home.

She said to me, “I’m sorry, Qingqing.”
“I do love you, but I can’t abandon her.”

She stayed by the enchantress’s bedside, caring for her meticulously, attending to her every need.
I thought, So, she is capable of loving someone. Then what were we before?

I leaped off the Immortal Execution Platform. When I woke up again, I was back on the day I first transmigrated. The system was chattering endlessly. I stopped it and said, “Forget it. I want to choose someone else.”

*
Yu Yan had ascended a thousand years ago. Now, with nothing much happening in the Celestial Realm, she secretly transformed into a mere cultivator and went to the Immortal Realm to take a look.
Although it was an incarnation, it had a proper background. She was the long-reclusive mighty figure, Immortal Lord Minghuai. This Immortal Lord was famous for cultivating the Path of Heartlessness. With a frosty demeanor, calm and self-possessed, she disliked getting involved with others the most.

This suited her requirements perfectly: immortals and mortals should keep their distance, and she should maintain her purity.
Who knew that not long after she arrived, a voice came from the Celestial Realm.

—Because she had descended to the mortal world without permission, she had to undergo a love trial before she could return.

P.S. The main story is in the third person.