Even in the Isekai and Harem genres, obsession is a prominent theme in anime. There are a lot of anime that focus on this type of relationship between the female cast and the male protagonist.
21. Yuuna and the Haunted Hot Springs
This cheap boarding house and former hot spring inn serves as a home for a homeless and unlucky high school student, Kogarashi Fuyuzora.
In order for the house to be so cheap, it is haunted by the spirit of Yuuna, who was found dead at the inn where she had been staying. As Kogarashi aids Yuuna in her business, he discovers other women’s strange secrets at the inn, too.
20. Haganai I Don’t Have Many Friends
Kodaka Hasegawa, a socially awkward young man, is the protagonist of this slice-of-life, harem anime.
With the help of the ‘Neighbours Club’ he forms a group of socially uncomfortable students who share his personality flaws; they include perverts, arrogant and shy people who have trouble making friends.
The members of the club participate in a variety of scholastic and social events in order to meet new people.
19. Absolute Duo
In high school, sharing a room with a female may be fun, but being labeled an irregular is not. For the sole aim of becoming a peacekeeper, students at Koryo Academy fight each other using a ‘Blaze’ weapon. That makes him an irregular, as he manifests his weapon in the guise of a shield. A silver-haired, Scandinavian female named Julia is the roommate assigned to him.
Mecha and Harem are combined in this anime. Marine academy ship Little Garden enrolls Hayato Kisaragi, a slayer, in the hopes of becoming one. It is only those who can wield the “hundreds” blade that can defeat the “savage” creatures who attack the Earth in this anime. He is challenged to a duel by the ‘Queen’ and the most powerful slayer in the school, Claire Harvey, within a few days of arriving at the school.
17. Love, Election and Chocolate
Like Yuki Ojima, who wouldn’t like to spend their time in a club doing nothing but relaxing?
In Takafuji Private Academy, a major school with over 6,000 pupils, the story of Yuki is told through the eyes of a young woman in love.
All eight members of the Food Research Group seek the advice of the current president of the student council, who urges Yuki to run for the presidency post in response to Chisato Sumiyoshi’s suggestion that the club be shut down. Yuki learns about the school’s problems here, and then decides to run for president of the school.
16. The Familiar of Zero
Saito, an ordinary teenage guy, is summoned by Louise Francoise le Blanc de La Valliere, a no-good at magic. To make her feel better, she makes him wash her clothing and sleep in the barn. When she’s annoyed with him, she whips his neck. Helping their friends and schoolmates, they embark on a series of adventures. We learn that Louise’s magic is not what it appears to be. As they progress in their careers, their friendship deepens, and they eventually fall head over heels in love.
15. The Devil is a Part-Timer!
Think of Satan as a waiter or waitress in a restaurant… What you’ll see in this story is basically what you’ll see. Exiled from Ente Isla, Sadao Mao, previously the Demon Lord Satan, is now a fugitive in modern-day Tokyo with his demon general Alciel. The hero who murdered several of his demon generals and besieged him until he was forced to flee, Emilia, confronted him with this information. Isekai Tokyo is the setting for a story about two people who have lost their powers in a new land where they meet each other.
14. Rising of the Shield Hero
Naofumi Iwatami is summoned to a parallel realm as a Cardinal Hero to fight interdimensional monsters known as Waves, which he is completely unaware of. It’s now up to him to fend for himself after being deceived and wrongly accused of sexual assault by the princess of the kingdom. To restore the faith and gratitude of his people. Along with his friends, he embarks on an adventure to discover the truth about the waves, in hopes of destroying the interdimensional danger.
Everything you’ve seen in Werewolf movies, from monster transformations to werewolf escapades, appears in this anime. It’s a mystery how Shuichi Kagaya, a high school student, can turn into a dog-like creature that looks like it came from his school’s mascot.
As they begin their search for Claire Aoki’s older sister, they are both saved from an attempted suicide. As an example of a female who first dislikes a guy, Claire Aoki eventually falls in love with him. Even so, she vowed to kill herself in the event Shuichi died before her.
The experience of being rejected by females is brought to a new level in this novel. Licht Bach, a great ace and protagonist, has been rejected more than 1,000 times by girls. Following Hina Farrow’s journey to find Licht Bach before being dragged into oblivion for all eternity, this anime tells her story. Hina, despite her age and his reputation as a pervert, is smitten by him and swears to be his mother one day. The two then set off on an expedition to right the wrongs done by the ruling class in their current post-apocalyptic society.
11. Misfit of Demon King Academy
Anos Voldigoad is the master of self-promotion and boasting. It has been 2,000 years since Anos Voldigoad gave his life to end a 2,000-year period of war and turmoil in order to bring peace. His new life has brought him back into contact with the Demon King, but he must first pass the Demon King Academy, which labels him as a misfit. Many female students at the academy begin to fall in love with the OP protagonist, but he has little time for them as he is faced with a series of hard obstacles and fights that show him overcoming death, time and space, and ultimately whatever you can dream of.
10. That Time I Got Reincarnated as a Slime
Imagine waking up as a 37-year-old slime in a completely new universe. It happened to Satoru Mikami, who was stabbed to death by an assailant who had a head start on him. Isekai world gave him newfound talents, such as the ability to take on the form and abilities of everything he consumed. With the help of a Storm Dragon, who gave him the name Rimuru Tempest, he wins the hearts of nearly everyone and goes on to establish a prominent nation that attracts a wide range of outsiders.
9. The Quintessential Quintuplets
Imagine being courted by five sisters who are all interested in me romantically. Futaro Uesugi, a very educated high school student, finds himself in a precarious situation after the loss of his mother and his father’s terrible financial decisions.
Fortunately for him, he secures a high-paying position as a tutor for the Nakano family. There are five identical quintuplet sisters in his care. Each has a unique personality quirk, yet he works with them to help them succeed academically. It is revealed at the end of the series that he gets married to one of the sisters, but her name remains a mystery. The plot shows him developing a close relationship with each sister.
8. Black Bullet
As Kisara Tendo’s subordinate and the show’s protagonist, Rentaro Satomi, she has a soft spot for Kisara.
Not literally, but this anime tells the narrative of humanity’s annihilation by the Gastrea virus in 2021! Varanium—a metallic material that repels the Gastrea virus—is the only option they have in this situation. As a Promoter for the Tendo Civil Security Agency, Rentaro assists Enju Aihara, the agency’s creator, in completing missions aimed at preventing the extinction of humanity and the Tokyo Metropolitan Area.
7. Re: Zero
After visiting a store, Subaru finds himself in an unfamiliar environment. When he dies in this magical realm, he is given the ability to reverse time and come back to life.
He makes use of this authority to assist Emilia, the woman he loves, in her ascension to the throne. As the novel progresses, he comes to know Rem and is intensely fond of him, vowing to support him in all of his endeavors. The plot of this Isekai anime is jam-packed with action and adventure, making it a must-see.
As long as she’s a pretty face, are you willing to fall in love with a pervert?
Keiku Kiryu’s existence in this Harem anime could appear a little strange if you find an anonymous love note addressed to you tied to a pair of panties.
Keiku is shocked, so he tries to find out who his hidden admirer is by investigating several girls. While on his quest, he realizes that nearly every girl he meets is twisted, and they all want him to join them in their wickedness.
The romance tale in this anime, which premiered in 1994, is nothing short of spectacular. To stop Junta Momonari, a Mega-Playboy who would go on to impregnate countless women and father 100 children, Karin is sent from the future.
Having more than one child is punishable by death in the world that his descendants inherit from him. When Karin accidently activates his Mega-Playboy gene, he begins to improvise.
4. Death Note
Remember that Misa was so obsessed with the infamous Kira that she willingly shortened her own life twice in order to help him achieve his aims in Death Note. Death Note is a familiar narrative that doesn’t need an introduction. The Death Note’s death-wielding powers are used by Light Yagami in the psychological thriller anime to bring justice to the criminal community. L, the world’s finest investigator, stands in the way of his pursuing the truth about Light’s identity.
3. Date a Live
For the past 30 years, Shido Itsuka has been ordered to seal the spirits that produce space earthquakes, the first of which killed 150 million people.
He’ll have to make them fall in love with him and kiss him first before he can seal the spirits. More and more ghosts are sealed and new alliances are formed as the series progresses.
2. My Sister, My Writer
Suzuka Nagami’s narrative is an example of a person who harbors affections for her own brother, despite the fact that such feelings are generally prohibited.
After winning the Light Novel Award for the story of an older sister who loves her little brother, she’s just graduated. There are numerous circumstances that led her to give her brother full credit under a different pen name. A fan service that she joins along with her brother in order to make progress on their novel leads to the development of true feelings between the two of them.
1. Nakaimo – My Sister Is Among Them
Before he can inherit his father’s kingdom, Shogo must complete his studies at the academy and find a suitable partner. As heir to his father’s enterprise, Shogo is a popular and sought-after student at his high school.
Despite the fact that his half-sister was reared apart from him and attends the same school, she is attempting to get close to him while keeping her identity hidden. Since any lady that he picks could be his sister, it’s now up to him to decide how to act and pick a partner.