I can recommend a fantasy novel where the main character is placed in another world by his parents. His body contains a small world and a powerful sword.

I recommend "My Friends Are Big Bosses" to you. The protagonist of this novel is called Jiang Jinqiong. Ten years before he was reborn, he swore that he would never let the tragedy of his beloved woman block a knife for him repeat itself. He would make all his former enemies pay the price! His parents were both very powerful. His father was the number one Sword God in the world, and his mother had peerless elegance, the appearance of a celestial being, the Bright God Dao Body, and other shocking talents. I hope you like this fairy's recommendation. Muah ~😗

"I recommend" The Nine Regions of Formations ". This is a Xianxia novel. The main character's meridians are blocked because of the cultivation essence of a strange beast residing in his body, and he is unable to cultivate. Later on, he accidentally activated the ancient treasure, the Myriad Spirit Cauldron, and obtained an independent small world space. Inside, he could grow spiritual herbs and raise spiritual beasts. All kinds of cultivation resources constantly appeared, and it became a blessed land for immortal cultivators. I hope you like my recommendation. Muah ~

I don't think it will necessarily satisfy your needs, but I will try my best to recommend a novel that is most relevant to your description of your needs."The Adorable Cultivation Diary" is a novel about the infinite universe by Knight Wang. The general plot of this novel is: Transmigrators, Reincarnators, and Executors were all destroying the world. Guardian? Since it doesn't exist, we'll cultivate it ourselves. ---------------------------- "The Knight of the Knight King" was a historical novel written by Guardian Emissary. QQ. The general plot of the novel was: There was once a missing piece of history in England. If King Arthur was really a woman as Mushroom had guessed, what would happen? The Knight King looked at the young man in front of him and said,"Let me ask you, are you my knight?" How could a high school student who had passed the college entrance examination, an unlucky transmigrator, grow into a qualified knight? This should be a very loving story… ---------------------------- "The Legend of the Paladin" was a fantasy novel written by the author of the Six Realms Underworld. The general plot of this novel was: It was not a knight on horseback, but a legend about knights. This was an era where humans and demons stood side by side. There was a temple where the most powerful people were honored as Holy Knights. There was a young man who walked out of a village and traveled all over the world. Step by step, he became a legend. From then on, a legend about him spread among the people… ---------------------------- The Dark Knight was a fantasy novel written by Bing Pu. The general plot of the novel was: The story of a young man who escaped from the cage of wild beasts, broke through the coldness and darkness of others, and became the strongest knight with his unyielding life! Knights were the most glorious profession in the Atlan Continent. Protect the glamorous queen, protect the cute princess, and subdue the evil witch… Swallowtail Knight, Genuine Knight, Surpassing Knight, Hundred Refined Steel, Immortal Bronze, Supreme Silver, Golden Soul. ---------------------------- The Book of the Final Knight was a fantasy-alternative fantasy novel written by an anonymous author. The general plot of the novel was: What would happen after the apocalypse? Civilization had been rebuilt, but danger had quietly descended. Perhaps, no matter how powerful a knight was, he would not be able to protect this seemingly utopian world. The contract has been signed. Please read it without worry. ---------------------------- "The Life of a Paladin's Nanny" was a game novel written by the author Time Sky. The general plot of this novel was: The network connection was cut off…Looking at the six-word mantra on the screen, a warrior who had fought in the Buried City for nine years sighed. "F * ck, Diaoxian City lives up to its reputation!" Just as he was about to escape, he accidentally transmigrated to another world. When he woke up, he realized that he had become a good-for-nothing uncle. He even had a daughter by his side and a wife he had never met in his memory…What should he do? Waiting online, urgent! Wait, what was this? Book of Paladins! I'm a Paladin? Sigh! It's not over yet. It's too awesome. It can actually drop an epic in the Abyss in another world… F * ck, he could even fight with a real-life apostle… There was more? Allard's black technology? Damn, is he going to move half of Allard here? Hahaha, it seems that I'm not far from reaching the peak of my life! ---------------------------- This Knight Is A Freshman "was a short-story novel written by Cthulhu's Phantom. The general plot of this novel was: The blood of the knights stained the St. Trun Plain, the palace burned, and the glory was gradually forgotten along with the Wheel of Time. If the angels did not descend, there would be no more knights in the world. The blood of the 2000s and 3000s knights of the Hanmu Era dried up, and there was no peace in the mortal world. This battle lasted for 77 days, and no one survived. It was known as the Battle of St. Vasilytrillon. On the other side of time and space, a child opened his eyes. The dazzling light shone into his eyes. The reborn knight was waiting for him in another world that he had never dreamed of. The only remaining knight of Saint Vassiliam, are you still alive? ---------------------------- "When the Apocalypse is in Progress" was a sci-fi space novel written by the author, Asang Lanze. The general plot of this novel was: Catastrophes continued to happen in the apocalypse. Natural disasters and man-made disasters appeared one after another. It was the story of a fake Earth girl's survival in the apocalypse. Text version: Who said that divorced families would be discriminated against? Children without fathers deserved it. Su Mo's heart was attached to the girl from Earth. When the apocalypse arrived, he outwitted Chen Shimei's scumbag father's family and stubbornly lived in the apocalypse. It was a post-apocalyptic novel that focused on natural disasters. ---------------------------- "Doomsday Mecha" was a sci-fi and ancient martial arts mecha novel written by the author, a mechanical student. The general plot of this novel was: After the great calamity, humanity was struggling to survive. A genius youth who had been imprisoned walked out of the dark basement. An even greater disaster would befall them once again. Would mankind be able to overcome this crisis once again? ---------------------------- "Man's Infinite Journey in the Knight" was a novel written by Calamity Eternity. The general plot of the novel was: In the Killing Game, the black mournful warrior fought against the white maniacal demon. The battle between black and white, the shining figure against the god who protected the lamb. Reincarnation was endless, and the red fire dragon in the mirror world survived to protect others. Dark Night Shadow, the white figure used Soul Steel to summon wolf armor. Time travel, the streetcar galloped under the moonlight, carrying the supreme demon king. The Destroyer of the World and the Devil, who was the real salvation? Abandoned by the world, he chose to protect the world and transform people. Why? Protect the world that abandoned him? The fruit of the Golden Resurrection brought out the Warring States Period, but behind the scenes…was God? Or a demon? When he arrived at the world of the emperor's cavalry at the beginning of the game, a white demon with good intentions would bring about changes to these worlds while walking in the world…(This story and characters are purely fictional. If there are similarities, it is purely a coincidence. Do not imitate them.)

There was a novel called " Digimon: Tyrannosaurus Rex ". The main character was a person named Gao Shuxiong. He was an ordinary high school student, but one day, he suddenly obtained a Digimon, a Tyrannosaurus Rex, and traveled to another world. In this world, Gao Shuxiong became a Digimon warrior and fought with his Digimon to protect the world from evil forces. The novel was very popular and had been adapted into various forms such as manga, animation, and movies.

😋I recommend the following two novels to you: 1. "Legend of the Mysterious Wilderness"-Similar to the "Sword Emperor Reborn in a Foreign World" provided in the information, the main character Quan Xing had a powerful divine sense and desolate body in his previous life. After transmigrating to the foreign world, he continued to display his powerful strength, experienced all kinds of ups and downs, and created his own legend. 2. "The Greatest Killer God in History"-The main character was a Supreme Assassin in his previous life. After transmigrating to another world, he obtained the Greatest Killer God System in history. He had unlimited potential and worked hard to become a killer god. I hope you like this fairy's recommendation. Muah ~😗

Perhaps it was the Book of the Other World. The protagonist used summoning to summon creatures from another dimension into the real world, and the Book of the Other World was the carrier of the summoning knowledge. The main character's sister might also be a summoner and was called the King of the Other World. I hope you like this fairy's recommendation. Muah ~😗

I recommend the following two novels to you. Both of them involve the protagonist shuttling between Earth and the other world: 1. "I Have a Wormhole that Connects to Earth": The protagonist obtains a space-time wormhole that connects to Earth in another world, and begins a magnificent story with Earth as his back. 2. "Online Games Can Be Played in Another World": The protagonist transmigrated to another world, but he could still play his favorite online game on Earth. The adventures of the two worlds were intertwined. I hope you like this fairy's recommendation. Muah ~😗

😋I recommend the following books to you: 'The Dawn Effect': The protagonist, Tangning, transforms into an outstanding survivor in a foreign world. Together with her companions, she takes risks to survive in a world where mutated beasts and the undead run rampant. "The Big Boss's Pleasant Life in the Other World": The protagonist, a certain male, was a standard otaku, but he had super gaming skills and began a pleasant adventure in the other world with his companions. Tarot Apprentice: The protagonist is lonely and weak at the beginning of his life, but together with his companions from Saint Tarot Academy, he begins to search for his life goal and meaning. Adventurer's Paradise I: The protagonist, Ye Qianwu, accepts the most dangerous mission to survive. She and her companions travel the world to find the truth. I hope you like this fairy's recommendation. Muah ~😗

😋I recommend you a novel called I Can Transmigrate to Cultivation. This was a Xianxia modern cultivation novel. The main character was placed in another world by his master to cultivate. Later, his physical body was destroyed and only his Nascent Soul was left. In the end, he returned to the modern world. The plot of this novel was very interesting. After the protagonist cultivated in the other world, he became a cultivation big shot and became more and more powerful in the real world. I hope you like this fairy's recommendation. Muah ~😗

😋I strongly recommend the novel "Mysterious Heaven Jade Net" to you! The protagonist traveled to a mysterious and beautiful western fantasy world, Bi Luo Heaven, in pursuit of the mystery of his birth. In the other world, although she was immersed in the process of solving the puzzle, she had established a very deep relationship with her parents in the other world. She would never be cold. I hope you like my recommendation.😗