An anime is Isekai genre when the MC is Sent to a Another World.Isekai and harem both are one of the most popular genre for anime,today we are going to talk about the anime which have bothg the genre.Most of the Isekai anime has same kind of Story, where the MC is Transported to Another world and became overpowered.So, if you like isekai story and harem this list is for you.
Here is the list of 10 best isekai harem anime series.
10/
Conception

Episodes:12
Mahiru, Itsuki’s cousin, informs him that she is pregnant on the day of his high school graduation. Suddenly, a gate of light appears, transporting the two into the world of Granvania. “Impurities” in this land have been causing a disturbance to the Stars, eventually plunging Granvania into chaos and disorder. And Itsuki, now revealed to be one of the “Star Maidens'” fated to meet with them, is seen as Granvania’s last hope, and thus given the task of producing “Star Children” and combating the “impurities.” Itsuki may never be able to return home unless the task is completed.
9/
Outbreak Company

Episodes:12
Kanou Shinichi is a true otaku, having been raised by a light novel author father and an eroge illustrator mother. However, he possesses no special abilities other than his broad knowledge, sharp insight, and impeccable instinct about “MOE” and its products, which range from manga to anime to games to light novels to figures. One day, he found himself transported to a fantasy world populated by elves and dragons.
And he is given a task—not to fight monsters or go on quests, but to promote cultural exchange in this fantasy world by becoming a “moe missionary”! He encounters a palace guard with fujoshi tastes, a half-elf maid, and the empress, who is a little girl. He comes up with the concept of constructing a school. It begins as a comedy, but as the storey progresses, Shinichi is confronted with serious issues such as ethnic discrimination, social problems, conflict with neighbouring countries, sabotage by opposition elements including the Japanese government, and so on. Can he overcome the challenges, successfully introduce “moe” culture to the fantasy world, and help the people there?
8/
Overlord

Seasons:3
Episodes:39
The storey begins with Yggdrasil, a popular online game that is quietly shut down one day; however, Momonga decides not to log out. Momonga is then transformed into a skeleton in order to become “the most powerful wizard.” The world is changing, and non-player characters (NPCs) are starting to feel emotions. With no parents, friends, or place in society, this ordinary young man Momonga sets out to conquer the game’s new world.
7/
The Hidden Dungeon Only I can Enter

Episodes:12
Noir is the son of a minor noble with little to his name except a job offer that is cancelled before he can even begin his first day. He does, however, have one unique trait: the magical ability to consult with a great sage, despite the fact that using the skill causes him excruciating headaches! Unsure of what his future holds, he seeks advice from the sage and is led to a secret dungeon teeming with rare beasts and magical items. Noir will train here, gaining experience and wealth until he is powerful enough to change his fate.
6/
HYAKUREN NO HAOU TO SEIYAKU NO VALKYRIA

Episodes:12
Some urban legends should be avoided! When Yuuto Suou joins his childhood friend Mitsuki Shimoya in testing an urban legend, he gets more than he bargained for. When he uses his phone to take a selfie with the divine mirror at the local shrine, he is whisked away into another world steeped in the lore of old Norse myths.
Using his knowledge from school and his solar-powered smartphone, he has the opportunity to bring the Wolf Clan, the same people who cared for him, to prominence, all while earning the adoration of the Einherjar, a group of magical-wielding warrior maidens.
5/
Death March to the Parrallel World Rhapsody

Episodes:12
Suzuki Ichirou, a 29-year-old programmer, is transported into a fantasy RPG. In the game, he is Satou, a 15-year-old boy. He initially believes he is dreaming, but his experiences appear to be very real. He ends up wiping out an army of lizard men and becoming a high levelled adventurer due to a powerful ability he possesses with limited use. Satou decides to keep his level hidden and plans to live peacefully while meeting new people. However, plot developments in the game, such as the return of a demon king, may jeopardise Satou’s plans.
4/
ARIFURETA SHOKUGYOU DE SEKAI SAIKYOU

Episodes:13
Hajime Nagumo, a seventeen-year-old otaku, is your typical otaku. His simple life of pulling all-nighters and sleeping in class is turned upside down when he and the rest of his class are summoned to a fantasy world! They are treated as heroes and tasked with saving the human race from extinction.
But what should have been a wet dream for any otaku quickly becomes Hajime’s nightmare. While the rest of his class has godlike abilities, Hajime’s job, Synergist, only has one transmutation skill. He soon finds himself in despair after being mocked and bullied by his classmates for being weak. Will he be able to survive in this dangerous world of monsters and demons with only the strength of a glorified blacksmith?
3/
Zero no Tsukaima

Seasons:4
Episodes:49
Meet Louise, a young aspiring magician. Students at the Tristein Academy refer to her as “Zero Louise” due to her current record of zero magical successes. In fact, her magic frequently goes horribly wrong. She must now summon a familiar to serve as her servant as an important test of her magical ability.
At this critical juncture, she summons all her magic and wishes for a familiar who is “devoted, beautiful, and powerful,” and she receives… Hiraga Saito is a typical Japanese adolescent. It’s difficult to say who is more surprised and disappointed, but the rules don’t allow for a second try. Louise is trapped with her strange familiar, and he is trapped with her. Adventure, comedy, magic, and romance are among the genres represented. Themes include dragons, harems, magical girls, and schools.
2/
In Another World With My Smartphone

Episodes:12
Touya Mochizuki, a fifteen-year-old boy, is accidentally killed by God. God allows him to be resurrected as an apology, but because he cannot send him back to his old world, he instead reincarnates him into a fantasy world with a single special request. Touya uses his request to bring his smartphone with him into the new world, which God modifies. As a result, while Touya cannot contact his old world with it, it can be easily recharged by magic and can perform other functions such as accessing data from the old world and using relevant features for his new world such as the GPS function to locations that are comprehensively identified on it.
As an additional apology for the inconvenience of killing him, God greatly enhances Touya’s physical, magical, and cognitive abilities. Touya takes full advantage of his second chance at life, befriending a wide range of people, primarily females and high-ranking members of the new world. He begins to travel from country to country, resolving political disputes, completing minor quests, and simply having fun with his newfound allies.
1/
How not to Summon a Demon Lord

Seasons:2
Episodes:22
In the MMORPG Cross Reverie, Sakamoto Takuma possessed overwhelming strength, earning him the moniker “Demon King” from the other players. With his appearance in the game, he is summoned to another world one day. There are two people there who insist, “I am the true summon master.” The girls cast slave-turning magic used for summoned beasts on Takuma, but the strange ability “Magic Reflection” is invoked!
The girls were the ones who were sold as slaves! Takuma was perplexed. He is the most powerful magician, but he lacks social skills. Panicking, the first words that came out were the ones he used while playing the Demon King in the game?! “You think I’m incredible, don’t you? Yes, of course I am. I am Diablo, also known as the Demon King!” This is the storey of the Demon King (actor) that would soon inspire the world, as well as his other world adventure, which he plunges into with absolute strength, raise the curtain!
which one is your Favorite let me know in the comments.
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