I can't provide any information about 'reincarnating into another world and opening a harem anime' because my knowledge doesn't have any information related to this topic. If you have any other questions, I'll be happy to help you.
I'm a fan of online literature. I don't have the ability to observe and experience. I can only answer your questions based on what I've learned. According to what I know, this kind of work is more common, but not all works have this characteristic. Some of the works were centered around the female lead, some were centered around the male lead, and some were featured by polyamorous relationships. If you want to know more about reincarnating in another world and opening a harem anime, you are recommended to search for relevant resources or consult other professionals.
The following are some recommended villains who have traveled to another world: [Descendants of the Demonic Dragon: A modern monk receives the inheritance of an ancient demonic dragon in another world and begins his journey of cultivation.] 2. " Sound of Troubled Times ": The protagonist, Xia Yiquan, and the prodigal son of the world travel to another world and experience a romantic and dangerous journey together. 3. " Quick, Paranoid Villain Begging for Feeds ": It was about a talented female protagonist who accidentally obtained the Quick, Paranoid System and became a villain in various worlds. Every time, she needed to be gently fed by the female protagonist to return to normal. The plot was very interesting. 4. " I'm Really a Big Villain ": The main character is reborn and decides to be a villain. He is bound to the strongest villain system and will embark on the path of defeating countless destined main characters. 5. " Dressed as the Villain's Cannon Fodder ": The heroine transmigrated into the villain's wife and embarked on a challenging adventure. I hope you like these novels!
My answer didn't seem accurate enough. There might not be many animes where the male protagonist reincarnated into another world and tested his strength to shock the school, but Kirito in the Sword God Realm might be able to meet this condition. " Sword Art Online " was an anime with a virtual reality theme. It told the story of the companions and adventures that the protagonist Kirito met in the game.
One common trope is the protagonist getting special powers or abilities upon reincarnation. For example, in many such novels, the main character might gain magical powers that are rare or unique in the new world. Another is the fish - out - of - water situation where the protagonist has to adapt to a completely different culture and social structure. They often bring some knowledge from their previous life which gives them an edge, like knowledge of advanced medicine or technology.
The following are some recommendations for anime novels about transmigration and reincarnation:
1. " The Female Lead Becomes the King of the Apocalypse ": The story of the female lead and all kinds of cannon fodder male and female supporting characters fighting together to become the queen of the apocalypse.
2. " The Book of the End of the World: I Become the Female Lead of the Little White Flower ": The female lead transmigrated into the former female lead of the novel and started the story with the male leads.
3. [When the Reincarnators Meet the Transmigrators: The story of the Reincarnators and the Transmigrators surviving in the world after the great war.]
4. " Strolling in the Comic World ": A story that traveled through the comic world to stir up trouble, including Tiga Ultraman, Calabash Brothers, and so on.
5. " My Japan Explodes ": The protagonist transmigrated to a world full of anime elements.
These novels covered different topics and plots, suitable for readers who liked to travel through time and reincarnate.
There are many anime works that transmigrate to another world. The following are some examples:
1.<< Index of Forbidden Magic Books >>: The main character, Dang Ma, became a mage after crossing over to another world.
2." Tokyo Ghoul ": The protagonist Kim Mu-yan accidentally transmigrated to another world and became a ghoul.
[3. The Blade of Ghost Destruction: The protagonist, Tanjiro, is an ordinary office worker who accidentally transmigrated to another world and became a Ghost Hunter.]
4." Sword God Realm ": The protagonist, Kirito, was a gamer who traveled to another world in a game and became an adventurer.
5." About Me Reincarnating into a Slime ": The protagonist reincarnates into a slime and begins his adventure in the Otherworld.
These are just some of the works. In fact, there are many other works that you can choose according to your preferences.
The more common types of anime where siblings transmigrated to another world were fantasy or science fiction. In such novels, there would usually be a pair of siblings who, for some reason, traveled to another world and experienced various adventures and challenges in that world. They might encounter all kinds of magical creatures and magic, as well as all kinds of powerful enemies, but they would definitely be able to overcome all kinds of difficulties and become the strongest in the other world. This type of novel often had exciting plots and exciting battle scenes that were deeply loved by readers.
There were many cartoons about traveling to other worlds, some of which included:
1 Sword God Domain: It tells the story of a game player who transmigrated to another world to fight and adventure with other players.
2.<< Index of Forbidden Magic Books >>: It tells the story of the protagonist, Tama Shangjo, who traveled to another world to fight and adventure with various superpowers.
[3]" The Attacking Giant ": It tells the story of the protagonist, Alan, who has traveled to another world to fight and survive with other humans and giants.
4.<< Re-Life in a foreign world from scratch >>: It tells the story of a programmer who transmigrated to a foreign world to fight and grow with various monsters and characters.
5. The Ghost Blade: It tells the story of the protagonist, Tanjiro, who traveled to another world to fight and grow up with various demons and ghosts.
There were many animes that had infinite rebirth in the foreign world. Among them, the more well-known ones were Sword God Realm, Gate of the Fate Stone, Attack of the Giant, Forbidden Magic Book Catalog, Tokyo Ghoul, and so on. These works all involved the elements of the foreign world and rebirth, telling the stories of human adventures, battles, and survival in the foreign world. Among them, the Sword God Realm and the Stone of Destiny Gate were the more popular works. Not only did they have exquisite animation production, but they also involved a lot of scientific and philosophical knowledge, which was deeply loved by the audience.