The story of this science fiction novel is about one person in the world. He hears a knock on his door at home. Guess what the ending will be?

The knocking on the door continued. The last human had to get up and walk to the door. He opened the door and found that there was no one outside, only a piece of paper with a few letters written on it. He wondered what was going on. When he picked up the piece of paper, he saw the words on it: "Congratulations on becoming the last person on Earth." He was surprised but also excited. He understood that he had become a miracle and a special existence in this universe. He looked around and found that there were no human items left behind, only a piece of barren land. He began to stroll through the empty city and saw the stars in the sky and the galaxies in the universe. He realized that he had become a part of the universe, a lonely existence. When he was tired of walking, he sat down and saw a cup of coffee on a table. He walked over and took a sip. He felt an unprecedented warmth and comfort. At this moment, there was a knock on the door again. He opened the door and found that there was still no one outside, but the paper wrote: "Welcome to the new world, the new human world." He was pleasantly surprised that this meant that he was no longer the last person on earth. He had entered a new world, a new era.

I'm not sure specifically as there could be many novels with this title. It might be about the anticipation and mystery that comes with a knock at the door. Maybe it's a horror story where the knock at the door signals the arrival of something sinister, or it could be a romantic encounter that begins with a knock.

The author of the world's shortest science fiction novel was unknown, but the content was "... Suddenly there was a knock on the door..." This short story left room for imagination. It had a mysterious atmosphere and made people more fascinated by the unknown realm of science fiction. Of course, if you want to read more sci-fi novels with rich plots and ups and downs, I can recommend "Infinite Maze" and "Thunder God" to you. They both have a unique worldview and wonderful storylines. I hope you like my recommendation. Muah ~

The last person sitting in the room on Earth suddenly knocked on the door. He stood up in surprise and walked to the door to open it, but there was no one outside. He felt very uneasy and did not know what to do. He hesitated for a moment before finally deciding to open the door and walk out. When he reached the door, he saw a spaceship parked above the earth. He was very surprised because he had never seen such a scene before. He approached the spaceship and saw a message on the screen: "You are our last human. We need you to help us leave Earth. Are you ready?" The last man on earth was very surprised. He never thought he would be the last human. He thought for a while and then opened the door of the spaceship and walked inside. The interior of the spaceship was very spacious and filled with high-tech equipment. There was a human in front of the control panel of the spaceship. He was using a computer. The humans on the spaceship told him that he was the last human on Earth and they needed his help to leave Earth. The humans on the spaceship told him that they left Earth because they found a new planet that could save Earth. However, the environment of this new planet was very harsh, and humans needed to adapt to the new environment. The last man on Earth was very excited. He never thought he would have the chance to go to a new planet. He thanked the humans on the spaceship and told them that he was willing to help them. The humans on the spaceship told him that they needed him to collect some important items such as oxygen and food before going to the new planet together. The last person on Earth was very excited and began to prepare his own items. When the people on the spaceship left the earth, the last person on earth sat in the room and watched the spaceship leave. He felt that he was a special human being because he had the opportunity to go to a new planet to realize his dream.

The last person on Earth was sitting in a room when there was a knock on the door. He stood up in surprise and looked around to make sure there was no one else or any creature around before slowly walking to the door. When he opened the door, he saw an elf. "Welcome to the world of the last man on earth," said the elf, looking very happy. I am the guardian of this place. You need help." The last person on Earth was a little surprised, but he also felt a sense of warmth and comfort. "What help do I need?" he asked. The elf told him that he needed to find some food and water because he had not eaten for a long time. He also needed a shelter because he had been wandering outside for a long time. The last person on Earth nodded and looked gratefully at the elf. He opened the door and led the elf into the room to enjoy the food and water he had found. As time passed, the last person on Earth felt more and more comfortable. He began to chat with the elf to understand the situation in this new world. The elf told him that no one had come to this new world for a long time, but some scientists were working on a way to save mankind. The last person on Earth was extremely excited after hearing this. He asked the elf if he could help him find these scientists, and he began to look around for them. In the end, the last person on Earth finally found these scientists and helped them find a way to save mankind. These methods would require a lot of resources and energy, but the last man on Earth knew that he had no resources, so he decided to help these scientists complete their mission. In the end, the last man on Earth and his elf made a great contribution to saving mankind. Their actions made the entire human world feel warmth and hope that the human world had finally restored peace and prosperity.

" Mysterious Revival: Conquering Nie Xiaoqian at the Beginning."

I'm not entirely sure as 'the knock science fiction' isn't a widely known common term. It could potentially be a very specific or indie - created science fiction work. Maybe it has something to do with a unique concept in science like a 'knock - on' effect in a scientific theory presented in a fictional way.

"1101" is a novel written by the author, Jian Tan. It is a reality-based novel. The general plot of this novel is as follows: How many times had she looked out the window, how many times had she walked out of the house? Memories came back like a tide, and the past was vague. Everyone had a room full of memories in their hearts, and a bright silver plate in their eyes. The string of numbers in my memory, the door, the farewell that I didn't have time to say, the farewell that I didn't have the chance to sing, as time passed, they told us that they would never see each other again! ---------------------------- Doomsday Shelter was a fantasy-alternative fantasy novel written by the author, the knife-wielding monk. The general plot of the novel was: A despairing numbered creature suddenly appeared in this world one day in the future. They were gods! To humans, death was nothing more than opening a door and seeing a pair of pupil-less eyes, a silent plague, or a gaze that was averted. It wasn't until 001's arrival that Chen Ran was jolted awake. On the eve of the apocalypse, he laid the foundation for a new era, and he led his former comrades on a path that had never been seen before. This was a game between mortals and the supreme, and also a confrontation between humanity and divinity. The legendary narrative ladder, the supreme divinity of the primeval universe, and the double image of the real universe…In front of these universes, Earth seemed so small and lonely. Struggling in the game, escaping in the confrontation, until the Utmost Being descended! " Oh?" After walking far away, he was suddenly jolted awake. He turned around and said," So the Utmost Being only broke a wall and opened a door and a window." All I could do was to block the wall, close the door, and seal the windows. ---------------------------- Century Gate was a suspense novel written by the author, Gu Jin Jue Ming. The general plot of the novel was: Legend had it that when the world collapsed and the era ended, the door would open. But now, the sun and moon were high in the sky, and the world was peaceful. Only a wisp of her soul floated to the other side behind the door. Thus, in many midnight dreams, in the hazy drunken eyes, I saw half of the red dress flashing in the desolate moonlight. He reached out to hug it, but it passed through the illusion and only touched the broken cup on the table, which shattered into a heart on the ground. He was stunned for a long time. Suddenly, he remembered the oath that he had made for the rest of his life, and it seemed to still linger in his ears. It was time, he heard himself say. Thus, he got up with difficulty, brushed off the dust on his clothes, and staggered toward the door, but his eyes were clear. "Bai Ling, I'm coming." ---------------------------- The House of Emptiness was a novel written by the author, Sisyphus. The general plot of the novel was as follows: There was a kind of house in the world where the door was always half-open and half-closed. The half that was open meant that the living had entered. The half that was closed represented the dead. This kind of house was called the Empty Death House. And I happened to be the owner of one of the empty houses. In three years, he had seen evil spirits that pestered people and evil people that pestered ghosts... ---------------------------- " The Teleportation Portal Only I Can Open " was a fantasy novel written by the author, Xing Chang. The general plot of the novel was: After transmigrating to another world, he actually opened a teleportation gate in his own backyard. Behind the teleportation gate was the most authentic cultivation inheritance on this continent… ---------------------------- " Forbidden Land for Humans " was a sci-fi interstellar novel written by the author, Chen Yu A Little Liang. The general plot of this novel was: This was a world where ancient martial arts and technology coexisted. A single person could shock the entire interstellar universe with a single sentence... ---------------------------- " The Universe's First Trash Station " was a sci-fi space-time travel novel written by the author who didn't need an umbrella. The general plot of the novel was: When a person left, the world stopped because of her. The living mourned for her, and the dead bowed their heads. The three corpses disappeared at the same time. She had saved the person she wanted to save, but she had left him to face the world alone. Without her, the world seemed to have nothing to do with him. After crossing many worlds, he decided to break through the shackles of this world for her. ---------------------------- The book, Prisoner Behind the Gate, was written by the author, Lonely Alley. It was a novel about gaming competitions and the game world. 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However, he abandoned him when he was about to become a Martial Monarch Realm expert and sent him from heaven to hell! He was left with a broken body and endless loneliness! It had given him everything, but it had also caused him to lose everything! However, his real life had just begun…Loneliness would forever exist in this world… ---------------------------- " There's No Strange Things in This World " was a suspense-mystery novel written by the author, Big Fat Fish himself. The general plot of this novel was: Da da. Strange footsteps came from the dark corridor. The footsteps stopped abruptly outside the door. Bang! A figure knocked open the door and was pressed to the ground by the man behind her.

The male protagonist was a forensic doctor and had mental illness. There was a plot in the story where the male protagonist returned to his home and found a fresh corpse knocking on his door. I hope you like this fairy's recommendation. Muah ~😗

The story 'A Knock at the Door' might be about the element of surprise or the unknown that a knock on the door represents. It could lead to various scenarios, like a visitor bringing good or bad news, or perhaps it's a moment of mystery where the character inside doesn't know who could be on the other side.