How should the younger sister in the novel be set up? Could she be considered as a twin?

I don't think it'll necessarily meet your needs, but I'll try my best to recommend a novel that's most relevant to your description."The Double Sheng is as memorable as the Moon, the Double Sheng" is an ancient romance novel written by the author, Zhui Xin. The general plot of this novel is as follows: A family battle after transmigrating? Don't be afraid, Sister Twin is protecting her. As the daughter of the Prime Minister's family, she has the honor of being protected by her eldest brother. She has a cute younger brother. She is not only beautiful but also slim. Other than the fact that his younger sister was extremely beautiful and wanted to reach the top in a single step at any time, his younger brother was constantly ambitious and always tried to ruin his elder brother's career…"Rusheng, don't be angry with me. I really didn't mean it. I don't even know that young lady." The elegant young master was pulling and tugging on the street. What a disgrace! So…"Brother-in-law, Eldest Sister was so heartbroken yesterday that she didn't go out today.""Uh, you're…Yuesheng?" "Guess ~" ---------------------------- "Mr. Zhan is Back" was a real-life novel written by Fan Yi. The general plot of the novel was: [Favor, Pure Love, 1v1, Double Purity, Devotion, Aristocratic Family, Pit Quality guarantee] Because of the epidemic, they met, because of the epidemic, they fell in love, because of the epidemic, they fell in love. Mr. Zhan came back to help her solve the mystery of her life and recognize her relatives. Who was she? Who was he? [Love at First Sight]-Neighbor: Is your Zhan family famous for love at first sight? [In the War Plague: If you are loved by the men of our Zhan family, you will be loved for a lifetime.] [Rich Little Older Brothers]-Neighbor: Does your Zhan Family produce rich Little Older Brothers? In the War Plague: You're the only sister next door. ---------------------------- "The Best Lyricist" was a real-life novel written by the author, Kong Liu. The general plot of this novel was: One was a hard-headed retired soldier, and the other was a smiling and pampered child. The first time they met, the two of them cooperated tacitly to solve an emergency. The second time they met, she reminded her cousin not to have any thoughts about such people. Then, they met for the Nth time and met for life… ---------------------------- "Anti-Japanese Double Cannon" was a military novel written by the author, Che Kongkong. The general plot of this novel was: The traitor's son, Lu Jianming, became a Zhongtong agent, while the Japanese girl, Kobayashi Qingqiao, was an underground party of the Chinese government. When they got married, what kind of entanglement story would they play out? Murong Luo obtained the ancient weapon, but he had to face his twin brother, who was a Japanese special forces soldier. How would the two brothers act out their national hatred? Because the martial arts secret book passed down by the family was coveted by the Japanese army commander Kobayashi Kuanmin, Lin Jianqi and his cousin Murong Luo joined forces to set up the anti-Japanese flag on Yushan and killed the Japanese devils. The Yushan double cannon, the Zhongtong agents, the underground party, the Haicheng Resistance Army, the Japanese spies and the Japanese puppet army, all kinds of unexpected things! ---------------------------- "The Troubled Twin Beauties" was an ancient romance novel written by the author, the younger sister of the Yu family. The general plot of this novel was: The twin sisters were clearly the daughters of the royal family and were born from the same mother. Due to their birth anomalies, one of them enjoyed wealth and struggled in the palace, while the other rose and fell in troubled times, but each of them carried their own fates. In the chaos, they looked down at the earth. Who was the one who ruled? The young man looked at the plump and round lovesick beans in the colorful glass bowl on the table, which looked very much like a baby girl in his arms. He gently pinched the baby girl's face and looked at her slightly frowned and disgusted face. He was in a good mood. His lips curled up, and his cold voice was like the ice spring on the Tianshan Mountain. "Xiangsi, from now on, you are Xiangsi." Yearning, the face of an angel, a heart of nine curves. He was mature and prudent, and there was some vicissitudes and sadness that did not match his age. Laugh when you are happy, laugh when you cry, laugh when you kill, and temper a heartless heart in the midst of killing. Born in slaughter, good at killing, a lifetime of longing for stability, but drifting with the world, a lifetime of pursuit, but in the end, it was a beautiful woman's withered bones, trapped and burdened by love! ---------------------------- "My Girlfriend and I are Brothers" was a light novel written by the author, Memories of Ruyan. It was a daily romance novel. The general plot of this novel was: "Big brother." "Second brother." Don't you think we're more suitable to be brothers?" "Who said that brothers can't be lovers?" PS: I've been working as an anti-epidemic volunteer recently. I can't set the time for updates. I hope everyone can forgive me! Thank you! ---------------------------- Yi Zheng Sheng was a modern romance novel written by the author, Feng Ning and Xue Wu. The general plot of this novel was: Who promised to be young, who left a memorable memory, who envied the beauty, who wrote a song of sorrow and joy, who separated from the north, who held hands with whom, who shared the same age, and who was the one who lived the rest of his life? So that was really the case. Meeting you was the best luck I had in this bad year. ---------------------------- "Black-bellied Baby: Mother, Don't Run" was an ancient romance novel written by the author, Dark Night Butterfly Dream. The general plot of this novel was: She was the daughter of a concubine who was not favored by the Prime Minister. With an imperial edict, she and her eldest sister married into the Qi King's mansion at the same time. After she became pregnant, she was plotted by her eldest sister… The two children, who were identical except for their clothes, looked at each other curiously. "Who are you? Why do you look like me?" Could this be the child of his father who was wandering outside? "You look like me, okay?" This was the younger brother that her mother had left behind for her. What kind of sparks would fly when the twins met for the first time? The two eccentric elven children had equally high IQ and EQ. In a battle of wits and courage, who would win in the end? A certain prince said proudly. Naturally, it was this prince… ---------------------------- The Book of Two Beautiful Wives was a modern romance novel written by Little Bean. The general plot of the novel was: She and he were natural enemies. Without that unforeseen event, they might have missed each other forever. They were originally sisters without blood relations, but because of a conspiracy, they became enemies. She and he were childhood sweethearts, but in the end, he had caused her to be unrecognizable. A conspiracy had ruined her appearance, but it had made them happy. It made the original mistake turn into mutual help. In the face of hatred, happiness was too thin. Should she let go of all her love or fight with him? ---------------------------- The book "The Villain Has a Doted Sister" was written by Chen Ruochuan. It was a fantasy romance and oriental fantasy novel. The two-and-a-half-year-old sweet baby was a little angel. She came here with a mysterious mission. For example, her brother, who was sitting on the sofa with a face as black as the bottom of a pot, was her task to make him happy. Tian Bao looked at the chocolate in her hand and swallowed. Then, she walked over to her brother and said in a childish voice,"Brother, Tangtang…" He Lanzhou looked at the obedient Tian Bao and wondered when his parents would have a second child. However, he was hugged by a small body with a milky fragrance. It was soft, and his heartstrings were instantly tugged at. [Note: Biological brother and sister, sister's CP is someone else.]