Is there any book recommendation about the novel where the sister auctioned herself off to save her brother?

My answer might not be accurate. The novel plot you mentioned is not common, and I haven't found any relevant records in my online literature knowledge. If you can provide more specific information or plot, I will try my best to help you find relevant information.

I recommend the novel "After Rebirth, The Paranoid Boss Is Acting Good Again" to you! After the female protagonist Lin Yuqing was reborn, she traveled back to the year when she met Gu Weibai. In order to make him stand firmly by her side, she was determined to use her own actions to make him fall in love. This is a novel about a double love between a brother and a sister. The readers who like this kind of plot must not miss it! I hope you like this fairy's recommendation. Muah ~😗

I recommend the ancient romance novel," The Flute of Hibiscus ", to you. After the female protagonist experienced the annihilation of her family, she began her revenge as a male character, while shouldering the responsibility of protecting her younger brother. He wanted to see how she would turn the tide and change his life. I hope you like my recommendation.😗

The female protagonist of " The Return of Immortal Cultivation " fell from her dormitory bed and traveled to ancient times. She was later sold by her relatives.

I recommend "Marry You in the Most Beautiful Years". This novel mainly tells the love story of a little girl who was auctioned off and was taken away by a CEO. I hope you like this fairy's recommendation. Muah ~😗

I recommend the Chief Chasing Love: The Cute Baby Attacks to you. This modern aristocratic family novel was about the protagonist who was killed by her husband and sister on her wedding day. Five years later, she returned with her baby. I hope you like my recommendation.

I recommend " The Sunset of the Net King " and " The Net King's Beauty " to you. These two novels are both doujinshi derivative novels by Yukimura's sister or brother. " The Sunset of the Net King " featured Yukimura as the main character, telling the story of his growing up and his love story." The Net King's Muran Jinnian " described Yukimura's efforts to protect and pursue love after he found his heart again. I hope you like my recommendation.😗

😋I recommend the modern romance novel "Mr. Mu is courting death every day" to you. The protagonist of this novel was bought by a mysterious man for 100 million yuan. From then on, she began to mingle in the entertainment industry. She did not expect the mysterious man to be adopted by her father! If you want to know the conflict and joy between her and the male lead, please read this novel. I hope you like this fairy's recommendation. Muah ~😗

The novel that I recommend to you is The Last Archeologist. The male protagonist is a famous archaeologist, and the female protagonist meets him in order to save her brother. In the story of being lost at sea, they searched for memories together and unveiled the great secrets of the human world. I hope you will like this novel.

According to the information provided, I recommend " Rebirth 2002: The Age of Purity " to you. In the plot of this book, the protagonist Yan Ci and his sister depend on each other. The older brother talks about his sister every day, but because of this, he makes his girlfriend unhappy. In this urban novel, the protagonist returned to the past. In the daily life of childhood sweethearts, he silently protected his sister. The intimate relationship between the two became deeper and deeper. I hope you will like this recommendation.