Do you know the title of this romance novel? If you know, please tell me. I've been looking for it too. Thank you.

When she was young, her older sister's boyfriend saved her younger sister. From then on, she had a crush on her older sister's boyfriend. After a car accident, the man went blind, so the older sister proposed to break up with him. The younger sister decided to take care of the man on her behalf. When the man's eyes recovered, the younger sister ran away pregnant, and the man went to pursue him. What was the name of this novel?
[Additional question: It's not a sibling contract. I asked because I couldn't find it in the bookstore.]

Answer 1

It might not necessarily meet your needs, but I'll try my best to recommend a novel that is most relevant to your needs: Why Are You Leaning On Me?"was an ancient romance novel written by the author, Mu Lanxue.

"Tell me, who is the person I saw in your memory?"
"Which one?"
"Still pretending? It's that prince that you're begging to follow!"
"State Preceptor, you really don't know him?"
"Nonsense, how could I know your old lover?"
"But that's you!"
This is a story of recovering what was lost. Step by step, I understand your heart and remove the obstacles on the road ahead bit by bit... You can go and take a look at the new article,"The Way to Open the Matchmaker."
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"You Are My Romance Story" was a short story written by the author, Jiu Weizui. The general plot of this novel was:

He recommended the new books,"Later on, you were homeless" and "The Diary of a Secret Love Is A Little Sweet". He could just search for them directly. [The stupider thing than having a crush is having a crush on each other]
Thirteen years ago, a car accident tied their fates together.
She had fallen in love with him for the first time and chased after him for a love that was evenly matched.
In the depths of their love, they had promised that from their school uniform to their wedding dress, from their black hair to their white hair, they would only have you in this life.
However, when the truth was revealed to the world, he destroyed her family for hatred, but imprisoned her in a cage he personally weaved for love.
She hated him to the bone. In order to escape from the cage, she did not hesitate to hurt herself and even killed the child in her stomach.
Finally, she had escaped from his world, but he had been searching for her all over the world…
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"Fated Love: I Love You" was a modern romance novel written by a screenwriter. The general plot of this novel was:

There was no stallion, no overbearing CEO, and no cute description. It only described how the male and female protagonists met and fell in love because of fate. They went through many difficulties. As the identities of the male and female protagonists were revealed, some of the things they experienced unfolded in the story. It contained the love stories of several other couples. There was also the story of love but not hatred. This book contained love, hate, the darkness of human nature, and positive energy. There was mutual deception, and there was also a lack of courage. Please read this book for the final ending!
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"Book of the Past" was an ancient romance novel written by the author, Ye Yixi. The general plot of this novel was:

Gu Xinian had died, but he had come back to life as a book. She had a new father. Although her father wasn't very reliable, she had a younger sister. Although her younger sister didn't like her at first, she later met an older brother who was four or five years older than her. However, she wanted to be her father wholeheartedly…However, this wasn't a big deal. The main point was, why was this person, whom she had only met briefly, looking for her and saying that she was very important to him? Searching for the solution, waiting online, quite urgent...
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"Language Lover" was a modern romance novel written by the author, Four Seasons One Only. The general plot of this novel was:

The jokes from her childhood had become a dream talk that she could not get rid of.
Many years later, the participants of the event were all far away.
By chance, they met by chance.
The initiator fell in love with the girl who was pranked, and the helpers returned one by one.
Was this a coincidence or a conspiracy?
Love, betrayal, entanglement, the truth, could they untie the knot in their hearts and let their love turn into a bird returning to its nest?
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There's a guarantee of good quality. Please feel free to enter the pit. There's also a series of "The Woman Who Blooms On Her Body". Please touch all kinds of tigers ~.
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"You are the spring I've been searching for half my life" was a modern romance novel written by the author, An Zhi Ting Lan. The general plot of this novel was:

This was a story about loving and being loved. Lin Jia Mu was an ordinary, kind, and beautiful girl. She had once tried her best to protect what she thought was her true love, but she was heartlessly hurt. Would her heart open up to him again? Ye Shuze, who had loved Jia Mu for most of his life, how could he chase after his girl and continue to dote on her…
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The book, Nine Coldness and Seven Warmths, was an ancient romance novel written by the author, Chen Xing. The general plot of this novel was:

Jun Mohan forced her into a corner and said wickedly,"What? Have you forgotten who was the one who followed me around and asked for a hug when I was young?"
"Eh…" She tried to find a chance to escape while dealing with him. She saw him getting closer and closer to her."You can think of it as being young and ignorant."
He controlled her with his hand and forced her to look at him.
Ye Jiu's face instantly turned red. He struggled for a long time, but he couldn't break free. Did she really say that? She whispered,"Jun Mohan, that's just a child's words. You can't take it seriously!"
"Is that so? But I've been waiting for you for fifteen years. Will you marry me? Jiu 'er!"
Jun Mohan, I…"
If you want to know more about the plot, then keep it!
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The book,"I Must Be Proud on a Blind Date: CEO, Your Life Lacks Me" was a modern romance novel written by VV in the author's pocket. The general plot of this novel was:

Two people who were high above and would not yield to each other. Under the arrangement of their families and fate, the two of them went through a blind date where three of them escaped and one slipped through the net. They began an interesting love story between them that searched for blank memories. If love was not an unexpected encounter, it was that you lacked me in your life!
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"I Just Want to Find You" was a romantic youth-youth campus novel written by the author of the Love Monument. The general plot of this novel was:

Who would think of you? I just want to find you.
I'm sorry, Mom. Forgive me for finding you too late.
I'm sorry, Xiansha. Forgive me for not cherishing you.
From the moment I found you, I just wanted to say, let me love you…I will never die, I will never grow old, I will only sing the praises of happiness in the vast Milky Way…
*
Three years ago, he came to this school. Because of his sister, he changed into women's clothes and was drowned in the crowd of girls.
The lonely young master had become a beautiful woman. He didn't like it, but there was nothing he could do.
He has a secret that no one knows. Let me tell you, he is looking for his mother…
He had made many friends, but none of them were true love. The only girl who knew his identity had fallen in love with her. For him, she was willing to make a contract with a demon. From then on, he was troubled.
After saving her from the devil, he took one-third of the broken jade and embarked on a journey to find his mother…
Masayuki Xiansha, this mysterious girl, had given him hope. When the lonely starlight sprinkled on his face, Xiansha gave him a necklace. From then on, he fell into love and struggle…
Was it love, or should he not love, or perhaps he could not love? He struggled…
*
No one would believe that a sister who looked the same would bring her bad luck…
He had caught the eye of several young masters, but he had never escaped their pursuit. Fortunately, a white-robed guardian angel could always save him from danger…
She knew who he was. In her heart, she only wanted to protect him.
He did not know who she was, but he knew that no one loved her more than he did.
He only wanted to find her, to lift her veil, and to let her understand his heart…
Perhaps, he would never know who she was.
*
Martial arts, that difficult realm, he might never reach.
However, he did not give up!
She was already hurt because of him. If she didn't do something, she would leave him forever.
For her, he had to work hard, even if he had to go through a mountain of knives and a sea of flames!
*
Why, why did it turn out like this? She was going to get married, was she going to abandon him forever?
No, he couldn't do this. It wasn't easy for him to find her. How could he let her go just like that?
"Don't be afraid. This time, it's my turn to protect you!"
…
*
"Mom, I finally found you…"
He stood in front of her secret with tears streaming down his face."But, you…"
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"Plan to Find a Husband" was an ancient romance novel written by the author, Xin Meng Meng. The general plot of this novel was:

She was just a standard dumb and cute otaku who liked snacks and novels. She had just found a treasure and wanted to "modify" a novel that belonged to her. How could she think that ideals were beautiful and reality was cruel? She had said that she would only modify and not transmigrate!
What should I do if I fall into a novel that I'm halfway through editing! What kind of situation was that when his brain was so open back then! How was she going to clean up this mess now?
Fortunately, there were many handsome guys in the book. If she really couldn't do it, she could just choose one and marry him. It wouldn't be considered a bad ending, right?
Sigh? What happened to being suave? Didn't you say that you'd be infatuated and not regret it? Didn't you say that you'd only marry me? What about childhood sweethearts? What about Innocent? Can someone tell me what's going on?
Husband, who are you? Someone save me!