Look for a TL novel, it seems that one surname is Xiao and the other surname is Ai (or the name has the word Ai in it), it is about a female protagonist who has long fallen in love with another female protagonist.

This book was called " The Cute Little Wife: Buy One Get One Free ". It was about the female protagonist having two twin sons. The male protagonist's surname was Gu, and the female protagonist's name was Qin Mumu.

This book was called Descendants. The characters in it included the male protagonist Ai Dong, the female protagonist Ai Yin, the female protagonist Wu Xin, the male protagonist Wu Yulun, the male protagonist Lin Xixing, the male protagonist Dong Xiaolei, the male protagonist Liu Nian, the male protagonist Lu Jin, the male protagonist Zhao Mengqi, the female protagonist Jiang Ruomo, the female protagonist Gu Yu, the female protagonist Xia Ban, the female protagonist Liu Lian, the female protagonist Huang Qingcheng, the female protagonist Cheng Wenyue, and the female protagonist Zhou Ducen. This book can be read on Qidian Chinese website. Descendants Author: " I'll give you more mushrooms. It's a novel about urban life. It's finished and you can enjoy it without worry." User recommendation: Descendants is an amazing novel. The story is full of ups and downs, making it difficult to put it down. From the beginning of the nanny novel to the post-apocalyptic survival, the author showed amazing imagination and creativity. The setting of the story was unique. Humans struggled to survive in a world where 99% of humans had disappeared. It made people feel the cruelty of the apocalypse and the despair of survival. The author's writing was smooth, the plot was compact, and it was fascinating. I really like this book. I hope the author can continue to maintain this level of writing and bring us more exciting stories... I hope you will like this book.

😋The protagonist was reborn into the future world of immortal cultivation, with powerful powers such as spaceship magical equipment, armor magical equipment, and man-made device spirits. On the journey, he met an AI named "Zhi Bi De". In the end, their relationship also developed. Although it's not a very old book, it should fit your needs. I hope you like this fairy's recommendation.😗

The book was called Hogwarts 'Poisonous Eggs. The characters in the book included the male protagonist, Edgar Morrisseus, Poisonous Eggs, Snake…and the female protagonist, Aisha Smith, the first wife? Sexy Big Sister…Female Lead-Hermione Granger, Small Wife? Footwork..., Supporting actor-Severus Snape, Nanny... hooked nose... This book can be read on Qidian Chinese website. "Poisonous Eggs at Hogwarts" by Jiang Xiaozhou. It is a light novel/derivative Doujinshi novel with transmigration, magic, and ridicule elements. It is finished and can be enjoyed without worry. User recommendation: I heard that you are also a poisonous egg? I hope you will like this book.

The book was called "Aria of the Shadow Singer." The characters in the book included: the protagonist-Esta, the protagonist-Prince, the protagonist-Amos, and the protagonist-Prince Kitson. He had a gentle personality, a masculine and feminine appearance, was good at cross-dressing, had an amazing voice, was not that "ordinary" a boy, and had a strange background. The female protagonist, Asta Tiellia, had a handsome and beautiful face. Due to her family environment, she had developed a somewhat masculine personality. She had many pursuers when she dressed up as a man. The supporting actor, Swire Kitson, Prince's father, was missing. The supporting actor, Ski, Prince's guardian when he was young, was a mysterious guy who seemed to come from another world? The supporting actress, Lady, Prince's biological mother, was missing. The supporting actress, Marina, Prince's senior, took good care of this only male junior. Her family was very powerful and had a carefree personality. Female supporting character-Blue Rain, Penglai people, Blood Clan Hunter family, parents working in the Heresy Court, very close to Prince, calling him brother. This book can be read on Qidian Chinese website. "Aria of the Shadow Singers" by Long Hair's Bacon. It was a fantasy/sword and magic novel with sword and magic, transmigration, and magic elements. User recommendation: I hope you will like this book.

The female protagonist of the novel had the surname Gu, and the male protagonist had the surname Long. The female protagonist had three brothers, two of whom were twins. This plot was quite common. Generally, rebirth novels would have a more complicated family background. There would be some unusual family members, such as the female protagonist's Gu family and the male protagonist's Long family. Complicated relationships and conflicts may occur between these family members, and the male and female protagonists may play different roles and experience various tests and challenges to finally grow and break through.

The female protagonist's surname was Xia and she had another identity called Shiyi. The male protagonist's surname seemed to be Lei. He could write a story to describe the role and plot of the female protagonist Xia Shiyi in the modern novel. Xia Shiyi was a modern urban woman with a special ability-- In this era of information explosion, this ability allowed her to be at ease in the workplace and social situations. However, Xia Shiyi had his own worries. She had always longed for true love, but the men around her had some special reasons that prevented her from doing so. Until one day, she met a man named Lei Yun. Lei Yun was an ordinary man, but his heart was filled with passion and dreams. He longed for a stable job and hoped to realize his ambitions. Xia Shiyi developed a strong interest in Lei Yun and the two gradually developed a deep relationship. However, Xia Shiyi did not know that there was an unknown past behind Lei Yun. He used to be a seriously ill patient. Due to various reasons, he had lost his consciousness and ability to think. During this period of time, he had been searching for a sense of existence and meaning in his own way, and Xia Shiyi was his only hope. With Xia Shiyi's help, Lei Yun gradually walked out of his predicament and found the meaning and direction of life again. In the end, the two of them came together to face the challenges of life and the sweetness of love.

This book was called "Who's Holding My Coffin Plate?" The characters in the book included the main character, Alicia, who was once Aisde's relative and the culprit who locked Aisde in the seal. The male protagonist, Aisde, woke up from the seal with only one goal: revenge. However, he seemed to have more than one enemy. Female Lead-Lina Scott, Esther's Kin. Lina, whose parents were both dead, seemed to have the characteristics of a protagonist. The female protagonist, Raven, was a crow born in the Tower of London. She had met Esther since the Middle Ages and had medical skills that could bring the dead back to life. This book can be read on Qidian Chinese website. "Who's Pressing On My Coffin Board?" Author: Clear Rain Sunset Wind. It was a fantasy/modern magic novel with elements of magic and metaphysics. User recommendation: To be determined Fantasy. I hope you will like this book.

This book was called "The Marshal Is Cleaning Up the Messy Today", and the characters in it included the male protagonist, Eld. Stulat, the emperor's brother/a pendant-like existence/may take off in the future (who knows), the female lead-Ash. Garcia, laborious/lazy/good at coaxing children (in various senses), male supporting character-Jahn, crazy... Probably, the supporting actress-Michelleira. Stolat, the queen of the Nottras Empire, was probably angry that she had contributed her skill points to the protagonist's life. The female supporting character, Li Wen Wan, was the financial officer of the empire and the country's money bag. She spent every day of her life making money. The female supporting character, Nan Xi, was a general who just didn't listen to the emperor. He could be reasonable when he mentioned military expenses. This book can be read on Qidian Chinese website. "The Marshal is also cleaning up the mess today." Author: Youpan Dongzhang. It was a sci-fi space/interstellar love song novel. [User recommendation: The queen who finds trouble every day, the acting chairman who is greedy for money, the arrogant general, the prince who is like a leg pendant, and the general who is cleaning up the mess every day.] Marshal: I probably blew up the Milky Way in my previous life before I met you guys in this life. I hope you will like this book.

I don't know what underworld novel you mentioned about the male protagonist's surname Di with the word 'Xue' in the female protagonist's name. Please provide more information and I will try my best to answer your questions.