The Best Harem Manga of All Time

A high school student named Issei Hyoudou discovers he's been reincarnated as a devil after being attacked by a fallen angel, and his new life revolves around serving a high-ranking devil named Rias Gremory. As part of the Gremory family's group of devils, Issei must balance his daily high school life while combating supernatural threats and dealing with a growing harem of girls who are drawn to him. Over time, Issei's inherent powers grow stronger, attracting the attention of both friend and foe, forcing him to confront the rivalries and alliances among the mythological beings in his world.

In a world where mythical creatures have been integrated into human society, a man named Kimihito Kurusu finds himself hosting a variety of monster girls as part of an exchange program meant to foster understanding between species. Navigating the cultural differences, Kimihito helps these girls adjust to human society while also unintentionally becoming the object of their affections. Meanwhile, government operatives investigate Kimihito's increasingly chaotic household and monitor potential threats posed by extremists opposed to interspecies relations.

When a zombie apocalypse engulfs the world, high school student Takashi Komuro bands together with a group of fellow students and the school nurse to survive the carnage and uncover the truth behind the outbreak. As they make their way through the ravaged city, they must not only fight off the undead hordes but also contend with the dangers posed by other desperate survivors. Along the way, personal tensions and romantic entanglements threaten to unravel the fragile bond that holds the group together as they search for a safe haven in a world gone mad.

Minato Sahashi, a hapless young man, becomes involved in a high-stakes supernatural competition called the Sekirei Plan when he encounters and bonds with a mysterious girl with incredible powers called Musubi. As a participant in the plan, Minato must gather a team of Sekirei – otherworldly beings who gain power through forming contracts with humans – and battle against other teams to determine the ultimate victor. Throughout the contest, Minato and his growing harem of Sekirei must navigate dangerous alliances, confront powerful enemies, and unlock the secrets of their own pasts.

Arata Kasuga discovers that he's a mage after inadvertently using his magic to save his town from a mysterious Breakdown Phenomenon, and enrolls at a magical academy called Royal Biblia Academy to learn how to control his newfound abilities. As he befriends and battles the seven most talented female students known as Trinity Seven, Arata uncovers the secrets behind the magical world and the truth about the catastrophic event that destroyed his town. Throughout his journey, Arata encounters various challenges and sinister forces seeking to exploit his power for their own nefarious purposes, forcing him to reluctantly rely on his new friends and allies.

When human teenager Tsukune Aono mistakenly enrolls at Youkai Academy, a boarding school for monsters, he must conceal his true identity while navigating the challenges of life alongside his newfound supernatural classmates. Embraced by a group of female monsters, including a vampire named Moka Akashiya, Tsukune learns about the complexities of monster-human relations and the struggles they face in a world divided. As Tsukune's relationships with his classmates deepen, he is drawn into conflicts with dangerous adversaries seeking to maintain the status quo or exploit the young monsters' unique abilities.

Rito Yuuki, an average high school boy, finds his life turned upside down when a beautiful alien princess named Lala Satalin Deviluke appears in his bathroom and declares her intention to marry him. With Lala's arrival, Rito finds himself beset by a host of otherworldly suitors and caught in the crossfire of interstellar politics and intrigue. Battling the affections of his growing harem and his own feelings for his childhood friend, Rito must navigate the pitfalls of romance and extraterrestrial diplomacy all while keeping his secret life hidden from his unsuspecting classmates.

In order to support his struggling family, high school student Fuutarou Uesugi accepts a lucrative tutoring job for the wealthy Nakano family, only to discover that his charges are identical quintuplet sisters who have no interest in studying. As he works to win over the girls' trust and tailor his lessons to their individual strengths and weaknesses, Fuutarou finds himself developing feelings for them and vice versa. Ultimately, the five sisters begin to compete for Fuutarou's affection, culminating in a whirlwind romance and a race against time to improve their grades.

Continuing the adventures of Rito Yuuki and his otherworldly harem, the focus shifts to Momo Belia Deviluke, Lala's younger sister, as she schemes to create a harem of her own with Rito at the center. Momo's machinations reveal hidden feelings and desires within the group, adding new layers of complexity to the tangled relationships. As the group contends with their newfound emotions and rival factions, they must also confront the darkness that threatens Momo's ultimate goal and their very existence.

The sequel to Rosario + Vampire sees Tsukune Aono and his supernatural friends return for their second year at Youkai Academy, where they face new challenges and foes. A powerful organization known as Fairy Tale sets its sights on the academy, leading to further conflicts and the revelation of hidden powers within Tsukune and his friends. As the group works together to keep the school safe and maintain the delicate balance between humans and monsters, they are forced to confront their own feelings for one another and the sacrifices necessary for the greater good.

In a world where powerful mech suits known as Infinite Stratos (IS) can only be piloted by women, Ichika Orimura is the first male to exhibit the ability to control the suits, leading him to enroll in an all-girls IS academy. As he trains alongside his female classmates, Ichika uncovers hidden agendas and sinister plots revolving around the IS technology and its potential for global domination. Balancing his new-found responsibilities with the affections of the girls who surround him, Ichika must face powerful foes and navigate the complexities of relationships in order to save his world.

Tor Kokonoe, a survivor of a traumatic event, enrolls in Koryo Academy to become an "Exceed," a student who can materialize weapons called Blaze, with the aim of exacting revenge on the organization responsible for his suffering. Paired with a mysterious girl named Julie Sigtuna, Tor must navigate the harsh trials of the academy while uncovering the truth about his past and the secrets surrounding the Blaze technology. As their bond grows stronger and their enemies more ruthless, Tor and Julie must decide what they are willing to sacrifice in order to achieve justice and protect their friends.

Keima Katsuragi, a high school student with a talent for conquering dating sim games, is unwittingly contracted to a demon named Elsie to capture spirits that have escaped from Hell by winning the hearts of real-life girls. As they embark on their mission, Keima employs his gaming strategies and tactics to "conquer" each girl and capture the spirits hidden within them. Facing an array of challenges and increasingly powerful adversaries, Keima and Elsie learn valuable lessons about love and understanding, ultimately discovering the true nature of the human heart.

After being murdered by a serial killer, high school student Ayumu Aikawa is brought back to life as a zombie by a necromancer named Eucliwood Hellscythe. Adopting a new existence alongside Eucliwood and a growing cast of supernatural beings, Ayumu must uncover the identity of his murderer while protecting his new friends from powerful enemies. As the group grapples with their conflicting desires and the mysteries surrounding each other's pasts, they learn valuable lessons about friendship, love, and the true meaning of "life."

Tomoki Sakurai's quiet life is disrupted when a beautiful angeloid named Ikaros falls from the sky and declares herself his servant. As Tomoki attempts to keep his life normal while dealing with the constant chaos created by Ikaros and her various otherworldly companions, he begins to uncover hidden truths about the angeloids' origins and their purpose on Earth. Facing powerful enemies and heartbreaking revelations, Tomoki and his friends must unite to protect one another and ensure the future of their world.

When orphaned high school student Yuto Amakawa discovers that he is a descendant of demon slayers, he finds himself confronted with a protective cat spirit named Himari, who has sworn to serve him. As he navigates high school life alongside his new supernatural companion, Yuto must come to terms with his powerful heritage and the responsibilities it entails. Surrounded by a growing group of friends and adversaries, Yuto must balance his duty to protect humanity from demons with the challenges of maintaining relationships – both romantic and platonic – in an increasingly complex world.

Teppei Arima, a humble young man, unexpectedly inherits his grandfather's wealth and is thrust into high society, where he encounters a variety of beautiful, powerful women who vie for his affections. As he adjusts to his new life, Teppei uncovers hidden plots and conspiracies that threaten the security of his newfound friends and family. Surrounded by intrigue, Teppei must navigate the treacherous waters of politics and romance to protect those he cares for and discover his place in this new world.

Years after being rejected for his appearance by a cruel girl named Aki Adagaki, Masamune Makabe transforms himself into an attractive and popular high school student, bent on exacting revenge by making Aki fall in love with him before breaking her heart. As he insinuates himself into Aki's life, Masamune discovers that she is not the person he believed her to be, and begins questioning the true motives behind his quest for vengeance. As the web of deception unravels, Masamune and his friends must face the consequences of their actions and redefine their understanding of love.

Naofumi Iwatani, a high school student, finds himself summoned to a parallel world as the "Shield Hero," one of four legendary heroes tasked with saving the kingdom from destruction. Betrayed and branded a criminal by a fellow hero, Naofumi becomes a pariah within the kingdom and must rely on his wit, guile, and new allies to clear his name and fulfill his destiny. As the true nature of the world and its inhabitants come to light, Naofumi must fight against both supernatural adversaries and the prejudice of those around him in order to achieve justice and save the world from calamity.

When the hapless Saito Hiraga is summoned as a familiar by a magical academy student named Louise, he finds himself embroiled in a world of conflict, magic, and intrigue. As Saito grapples with his newfound abilities and the challenges they bring, he must also navigate the labyrinthine relationships and rivalries that define the academy and the world around it. Ultimately, Saito and Louise must confront their own feelings for one another while protecting their friends from the growing threat posed by an ambitious and ruthless enemy.

Akiharu Hino, a young man with a troubled past, enrolls in an elite academy focused on training maids and butlers for the upper-class, where he is immediately drawn into a complicated web of interpersonal conflicts and rivalries. As Akiharu navigates the world of high society and his relationships with his classmates – both students and staff – he must confront the consequences of his actions and the expectations placed upon him. Amidst the chaos, Akiharu must find his true calling and learn valuable lessons about love, friendship, and the nature of power.

Takeru Ohyama, a young man with no special abilities, enrolls in an elite high school filled with powerful students who can wield supernatural weapons known as Maken. As he learns to harness his own Maken and find his place within the school's power structure, Takeru finds himself caught between rival factions seeking to control the Maken's power. Faced with dangerous adversaries and unexpected allies, Takeru must push his limits and discover the truth behind the Maken in order to protect those he cares for and ensure the survival of the school.

Jaegu Song, a hapless high school student struggling to care for his younger siblings, enrolls in a prestigious all-girls martial arts school in order to escape his difficult situation. There, he encounters a diverse group of talented and fierce female fighters who challenge him to overcome his past and embrace his full potential. As Jaegu forges new friendships and romantic connections, he must also prove himself within the dangerous world of underground fighting and defend his newfound family against those who would tear them apart.

Goto Nagi, an impetuous young man, travels to a remote island in search of the mysterious Umi no Misaki shrine, only to find himself embroiled in a complex web of ancient customs and supernatural intrigue. As he becomes increasingly entangled in the lives of the island's inhabitants – particularly three beautiful girls who embody the shrine's sacred spirits – Nagi must navigate the treacherous waters of tradition and myth while grappling with his own desires and destiny. Ultimately, Nagi and his friends must confront the secrets hidden within the shrine itself in order to protect their world from an ancient threat that has arisen once more.

After witnessing her father's murder at the hands of her childhood friend Soo-Won, Princess Yona is forced to flee her kingdom with her loyal bodyguard Hak and embark on a quest to reclaim her birthright and restore peace to the realm. As she gathers a band of legendary warriors known as the Four Dragons to aid her in her mission, Yona confronts the dangers and complexities of a world torn apart by war, treachery, and supernatural forces. As friendships and loyalties are tested, Yona and her allies must determine what they are willing to sacrifice in order to protect their world and one another from the forces that would see them destroyed.

Kodaka Hasegawa, a misunderstood high school student with a reputation for being a delinquent, forms an unlikely friendship with fellow outcast Yozora Mikazuki, leading them to create a club dedicated to finding friends. As the club attracts other socially awkward students, each with their own unique quirks and challenges, they navigate the often treacherous waters of high school life in search of acceptance and understanding. Through their shared experiences, the members of the club must confront their own insecurities, face their fears, and learn the true meaning of friendship.

When Katou Daichi, an antisocial high school student, befriends the strange girl sitting behind him in class, he unexpectedly finds himself in the company of a supernatural beauty named Yuuya, who claims to be his protector. As he uncovers the truth about Yuuya's past and the forces that threaten his safety, Daichi must navigate the challenges of his growing harem while also addressing the unresolved issues within his own life. As relationships shift and enemies emerge, Daichi and his friends must confront the secrets surrounding their existence and the price of happiness.

Homeless high school student Nanami Momozono becomes the new Earth deity after accidentally receiving a divine kiss from the previous land god, prompting her to move into a shrine inhabited by supernatural creatures. Alongside her newfound responsibilities as a deity, Nanami develops a tumultuous relationship with Tomoe, a fox demon who serves as her familiar. As Nanami balances her divine duties, her relationship with Tomoe, and the trials of daily life, she learns about her own hidden powers and faces the consequences of her new role in the supernatural world.

High school student Minaguchi Kaoru unwittingly forms a pact with the charming yet lethal goddess of death, Shinigami-sama, forcing him to date four girls simultaneously in order to save his soul. As Kaoru navigates the pitfalls of multiple romances and the demands of each girlfriend, he discovers deeper feelings beneath the surface and new dimensions to his relationships. As the tangled web of love and secrets unravels, Kaoru and his companions must confront the true nature of their connections and the consequences of their actions.

Ten-year-old prodigy Negi Springfield becomes a teacher at an all-girls boarding school as part of his training to become a master wizard while searching for his father who mysteriously disappeared. As Negi forms relationships with his students and uncovers the secrets of their pasts, he faces numerous challenges and dangerous adversaries that threaten the magical world. In the face of these obstacles, Negi and his students must rely on their bonds and their growing magical abilities to protect one another and restore balance to their world.

Kae Serinuma, a high school student with a passion for anime and manga, unexpectedly transforms from overweight otaku to slender beauty, catching the eye of her four handsome classmates and setting off a fierce competition for her affections. As Kae navigates the trials and tribulations of romantic rivalry, she discovers new dimensions to her friendships and explores the complexities of love and attraction. Throughout the series, Kae and her circle of friends confront the implications of their burgeoning relationships as they struggle to maintain the bonds that bind them together.

In a futuristic world where magic and technology coexist, Tota Konoe, a young immortal boy, becomes a member of a secret organization known as UQ Holder, which is dedicated to protecting the world from supernatural threats. As Tota trains to master his abilities and uncover the secrets of his past, he encounters powerful allies and adversaries in a dangerous game of intrigue and betrayal. Facing the challenges and complexities of this new world, Tota and the other members of UQ Holder must confront their own destinies and determine the ultimate price to be paid for peace.

Adopted by the owner of a local pastry shop, Takumi Tsuzuki finds himself caught in a whirlwind of romance and adventure when a beautiful but mysterious girl named Nozomi Kiriya appears in his life. As Takumi and Nozomi are drawn into a web of intrigue surrounding the girl's past and her connection to the legendary Stray Cats, they encounter a host of eccentric characters and powerful adversaries who seek to exploit Nozomi's unique abilities for their own ends. Surrounded by danger and secrets, Takumi and his friends must unravel the mystery of Nozomi's origins and confront the true nature of their world in order to secure a brighter future for themselves and their loved ones.

High school student and self-proclaimed delinquent Eiji Fujimura finds himself at the center of a love triangle involving two eccentric classmates, prompting a series of misunderstandings, pranks, and comedic misadventures. As Eiji becomes increasingly entangled in the web of romantic rivalries and friendships that define his school, he must confront his own feelings and choose between the affections of the girls who vie for his heart. Amidst the chaos, Eiji begins to appreciate the importance of friendship and trust, ultimately learning valuable lessons about love and responsibility.

Hayate Ayasaki, a down-on-his-luck teenager, is mistaken for a kidnapper when he saves wealthy heiress Nagi Sanzenin from her abductors, leading her to offer him a job as her personal butler. Thrust into the world of high society, Hayate must navigate the challenges of his new position and the affections of his growing harem while also protecting Nagi from the sinister forces that threaten her safety. As secrets are revealed and friendships tested, Hayate and his companions must confront the true nature of their relationships and the price they are willing to pay for love and loyalty.

Sunako Nakahara, a reclusive high school girl with a morbid fascination for darkness and horror, is taken under the wing of four handsome boys who have been tasked with transforming her into a proper lady in exchange for free rent from her aunt. As Sunako struggles to adapt to her new circumstances and the expectations placed upon her, she forms unexpected bonds with her unlikely allies and begins to discover her own hidden depths. As the group navigates the challenges of high school life and the pressures of societal convention, they must confront their own prejudices and expectations in order to find true happiness and acceptance.

After losing his sister in a tragic accident, high school student Satsuki Kakeru finds himself trapped in an alternate reality known as the Red Night, alongside six other students who possess unique abilities. As they battle the malevolent forces that threaten their survival and seek a way to return to their own world, Kakeru and his companions must confront their own insecurities, fears, and the dark secrets of their pasts. As personal loyalties and motivations are tested, the group discovers the true nature of the Red Night and the sacrifices necessary to protect their world from destruction.

When a young woman awakens with no memory of her past or identity, she is guided by a mysterious spirit named Orion in her quest to recover her memories and uncover the truth of her existence. As she navigates the complexities of her relationships with her friends, family, and potential romantic interests, she begins to piece together the fragments of her life and the events that led to her amnesia. Along the way, she must confront the consequences of her actions and determine who she can trust in order to restore her memories and secure her future.

After being shipwrecked on a mysterious island inhabited only by women, high school student Ikuto Touhouin is forced to adapt to his strange new circumstances and the affections of his newfound companions. As he attempts to uncover the secrets of the island and find a way back home, Ikuto is drawn into a series of adventures and conflicts that test his resolve and reshape his understanding of love and friendship. Surrounded by danger and intrigue, Ikuto and his friends must confront the true nature of their world and their own desires in order to achieve the peace and happiness they seek.

High school student Yuta Koizumi finds his life turned upside down when a beautiful demon named Lucia arrives from the underworld, claiming to be his wife and insisting that he is the key to saving her realm from destruction. As Yuta is drawn into a world of supernatural dangers and intrigue, he must navigate the challenges of his growing harem and the affections of the girls who surround him. As relationships are tested and alliances shift, Yuta and his companions must confront their deepest fears and desires in order to protect their world from a powerful enemy.

Yui Kusanagi, a high school girl with a mysterious connection to the divine, is summoned to a world inhabited by gods from various mythologies and tasked with teaching them about humanity in order to restore the balance between the human and divine realms. As she attempts to navigate the tangled web of ancient rivalries and alliances that define her new world, Yui forms unexpected bonds with her otherworldly classmates and uncovers long-buried secrets about their pasts. Faced with danger and deceit at every turn, Yui and her companions must confront their own hearts and destinies in order to save the worlds they love.

Terumi Minamoto, a young man with a complicated relationship with women, is sent to live with his aunt Kaoruko Fujiwara – a famed author with a penchant for seduction – who undertakes to teach him the art of love and romance. As Terumi embarks on a series of romantic adventures guided by his aunt's teachings, he finds himself caught in a whirlwind of desire, deception, and heartache. As the stories unfold, Terumi must discover the true meaning of love and intimacy in order to navigate the often treacherous waters of human relationships.

Junpei Manaka, an aspiring filmmaker, accidentally glimpses a beautiful girl wearing strawberry-patterned panties, sparking a series of mishaps and misunderstandings that lead him into a tangled web of romantic rivalries and unrequited love. As Junpei unravels the mystery of the girl's identity and navigates the challenges of high school life, he must balance his growing harem with his dreams of creating a successful film. Amidst the chaos of his romantic escapades, Junpei learns important lessons about love, friendship, and the true meaning of happiness.

Raizou Katana, a young samurai from feudal Japan, inadvertently finds himself transported to a world ruled by powerful ninja women and becomes the center of their attention. As Raizou adjusts to his new surroundings and the advances of his newfound companions, he must navigate the challenges of this strange world and uncover the secrets of his own past. Along the way, Raizou and his friends must face powerful foes and test their own loyalties in order to secure a better future for themselves and their world.

In the sequel to Uta no Prince-sama: Maji Love 1000%, Haruka Nanami and her friends return for another whirlwind romance and thrilling adventure as they continue their pursuit of stardom in the world of music. As they face new challenges and rivals, Haruka and her companions must confront their own feelings and aspirations while navigating the often treacherous waters of love and ambition. As the competition heats up and relationships are tested, Haruka and her friends must rely on one another in order to achieve their dreams and protect the bonds that bind them together.

Shuurei Kou, a determined young woman in a fictional ancient China, becomes the first female official in the land, navigating the complexities of politics, war, and love while striving to reform her country. As she encounters a diverse cast of characters and grapples with the challenges of her new position, Shuurei must balance her personal ambitions with her growing feelings for the enigmatic emperor of Saiunkoku. Amidst the trials and tribulations of her new life, Shuurei and her allies must confront their own loyalties and the sacrifices necessary in order to protect their world and ensure the future of their kingdom.

When high school student Chiruha decides to enroll in a human school to search for her childhood friend, she inadvertently discovers that he is now a popular and handsome student named Kisara. As Chiruha navigates the complexities of high school life and attempts to rekindle her friendship with Kisara, she finds herself drawn into a web of magic, intrigue, and newfound romance. As the past collides with the present, Chiruha and Kisara must confront their own feelings and insecurities in order to chart a path forward together.

Ritsuka Tachibana, a seemingly ordinary high school girl, finds herself at the center of a supernatural struggle between demons and vampires when her mother is kidnapped and she is revealed to be the key to a mysterious grimoire. As Ritsuka navigates the dangerous world of her newfound supernatural acquaintances, she must determine who she can trust and the true nature of her own powers in order to save her mother and preserve the balance between the human and supernatural realms. As relationships are tested and secrets revealed, Ritsuka and her companions must confront their own loyalties and desires in order to protect their world from destruction.

When Ema Hinata's father marries the wealthy Asahina family's matriarch, she finds herself living with thirteen handsome stepbrothers, each with his own unique personality and aspirations. As Ema attempts to navigate her new life and forge connections with her new siblings, she becomes the object of their affections and the catalyst for a fierce competition for her heart. As they struggle with their own feelings and the implications of their actions, Ema and her brothers must find a way to redefine their relationships while maintaining the bonds that connect them.

Haruka Nanami, a talented composer with dreams of writing for her idol, enrolls in the prestigious Saotome Academy, where she becomes the object of admiration for a group of handsome male students, each with his own unique aspirations. As Haruka navigates the challenges of school life, she finds herself drawn into the competitive world of music and romance, all while grappling with her own feelings for the boys who vie for her affections. As relationships are tested and alliances shift, Haruka and her friends must confront their own dreams and desires in order to find their true paths forward.