Interesting Historical Romance V (manhwa)

Many years ago, there lived a knight who loved a saintess. However, wanting to not hurt the saintess who wasn't allowed to have personal feelings, he made sure to keep a safe distance from her. Eventually, the saintess died in his arms and the devastated knight swore, with bitter anguish, 'If you get a chance at another life, I'll make sure that you will no longer live as a saintess.' After a long 300 years, the saintess was reborn. Will their wishes finally come true in this life?

“Lirian, the forces of evil are ravaging this world. We need a strong knight to destroy the spirit of evil that is approaching us. A righteous and strong knight! And the knight that’s you, Lirian.” Wow, that’s ridiculous. I just want to live a normal life. I have a dream to marry a handsome man. Then will enjoy life as a cottage like the house of a count. I never thought about doing justice or protecting world peace. But God chose me! Power? Sharp sword? Why give me? Why me!

It’s the first time I met such a passionate reader after writing for a long time. “I can’t talk about feeling…But I want to do something!” Ellisya who was holding her dress secretly hand out her hand. “Urm, should I give you……a handshake?” “Sorry……?”‘ “Or, maybe a hug?” In that moment, Resa’s pupil has started to shake brutally.

I am the youngest princess, abandoned in the Imperial Palace at the age of ten.
The royal family, no longer in power, was caught in the flames of rebellion, and I was the first to be abandoned. So I have to live like Ethel, a commoner. Not Stella, a princess.
After 10 years, until I returned to the royal palace where I was abandoned, because they wanted to see me
“I need a replacement”
That’s what my sister, the first princess, told me.
“Replace for my missing sister”
“That’s a tempting offer"

She is Princess Sofia. Her fiancé Prince Reynard (2nd), and her best friend Bellatrix collaborated to murder her and her family. She returns two years ago and has a chance for revenge. The only person who can help Sophia is Reynard’s brother, Alexis. People call him – “Hero of Misfortune”. He also lost his life to his brother’s plot. … I was thinking… “Still alive!” Sophia tries to save Alexis and stop Reynard’s ambitions. Her revenge begins by changing her fiancé.

As usual, I was going home from work.
But suddenly I had an accident. Before I left, I heard someone’s voice in my head.
[I’m Elsia Artise, please save him, please, you can do it!!]
That was the last thing I was aware of before fainting. After opening my eyes, I found myself in a different place…
This place was in a novel that I read before that accident happened!
I already possess the body of Elsia, who will die as soon as the novel begins. There’s only one thing I can do to survive.