Harem

Genre: Action, Ecchi, Martial Arts, School, Harem
Episodes: 12
Type: TV Series
Age Rating:   Teen +17  

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Maken-Ki! Episodes Online

Takeru Ohyama, a young normal yet perverted minded guy, got accepted and now goes to a school that, unknown to him, was where combat and magic is used. On the first day, he meets again after three years: Haruko Amaya, his childhood friend, Inaho Kushiya, a girl who says she's his fiance, and Kodama Himegami, a blonde who wants to kill him. Finding out that there are many girls there that just don't like him, he is told that everyone there uses a special magic ability while using an item or weapon called a Maken. Later, he finds that no Maken is acceptable for him and doesn't know what to do, since in this school the students get into duels that showcase their magic and combat power, to which he seemingly has none.

Genre: Comedy, Romance, School, Harem
Episodes: 12
Type: TV Series
Age Rating:   Teen +17  

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R-15 Episodes Online

R-15 is about a boy, Taketo Akutagawa, who attends a school for geniuses: Inspiration Academy Private High School. Taketo is a genius novelist and writes erotica. Despite negative perceptions many people have of him, he aims to be at the top of his class and be recognized as the world's greatest writer.

Genre: Comedy, Romance, School, Shoujo, Harem
Episodes: 13
Type: TV Series
Age Rating:   Teen +13  

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Synonyms: Uta no Prince-sama: Maji Love 1000 UtaPri

Uta No Prince Sama Episodes Online

With dreams of becoming a composer and someday writing a song for her favorite idol, Haruka enters the Saotome Academy, a prestigious performing arts school. If successful there, she’ll be able to join the Shining Agency after graduation. However, it won’t be so easy when Haruka is already surrounded by potential idols and composers. On top of that, her homeroom teacher is a current idol, the headmaster was a record-breaking singer, and the academy itself is a chaotic place where anything can happen. Which prince of song will be paired up with Haruka?! Uta no Prince Sama is an exciting, coming-of-age romantic comedy that will be like sweet music to your eyes and ears!

Genre: Romance, Harem, Seinen
Episodes: 12
Type: TV Series
Age Rating:   Teen +13  

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English: A Bridge to the Starry Skies

Hoshizora e Kakaru Hashi Episodes Online

Kazuma has moved to a small town in the country. On his first day at school, he meets Ui when he is lost his way. They go to school together, but Kazuma accidentally slips and kisses Ui.... To make matters worse, Ibuki, Ui

Genre: Comedy, Romance, Shounen, Harem, Supernatural
Episodes: 12
Prequel: The World God Only Knows
Manga: The World God Only Knows Manga
Type: TV Series
Age Rating:   Teen +13  

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English: The World God Only Knows II
Synonyms: Kami nomi zo Shiru Sekai 2, Kaminomi II, The World God Only Knows 2

The World God Only Knows II Episodes Online

Second season of The World God Only Knows.

Genre: Drama, Fantasy, Romance, Harem
Episodes: 12
Type: TV Series
Age Rating:   Teen +18  

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Synonyms: Oretsuba, We Don't Have Wings, Ore-tachi ni Tsubasa wa Nai

Oretachi ni Tsubasa wa Nai Episodes Online

Haneda Takashi has a secret he cannot speak of. To leave his dull school-life, he was supposed to have escaped to another world. However, he is reeled in by certain ties on his heart. One of these is Kobato, his awkward younger sister. The other is Watarai Asuka, his negligent girlfriend.

Chitose Syusuke is a poor freeloader. He passes his days working at various part-time jobs. One day, he has a disastrous first encounter with Tamaizumi Hiyoko. The next time they meet, Syusuke discovers that they are fellow employees at his part-time job.

Narita Hayato sees himself as a "hard-boiled" person. Back-breaking jobs are nothing to him. Hayato shuns normal human contact, but, during the nights, he would get together with delinquents and other denizens of the night. One such night, he meets the cheerful and oblivious Otori Naru.

The relationships with these girls will greatly affect these 3 young men. But what, exactly, is the relationship these young men have with each other?

(Source: AnimeNFO)

Genre: School, Shoujo, Harem
Episodes: 26
Type: ONA Series
Age Rating:   Everyone  

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Synonyms: Starry Sky

Starry☆Sky Episodes Online

The heroine, Tsukiko, enrolled to a school that was recently changed from all-boys school to co-ed. Since the area where the school is conveniently rural and the rather exclusive curriculums the school has, up until now the heroine is the only one female who enrolled to the school.

In Starry Sky, the 12 constellations of the Zodiac are personified into handsome young men. The anime will be directed by Kiyomo Sayaka who worked with Vampire Knight. Similar to Hetalia - Axis Powers, Starry Sky's anime will be distributed through the Animate.tv website and other means.

Genre: Comedy, Drama, Romance, Harem, Slice of Life
Episodes: 12
Prequel: Ai Yori Aoshi
Type: TV Series
Age Rating:   Teen +13  

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English: Bluer than Indigo: Fate

Ai Yori Aoshi: Enishi Episodes Online

Two years after meeting Aoi, Kaoru and gang are still up to their normal habits. Kaoru now in grad school and the tenants being as rowdy as ever what will become of Aoi and Kaoru's love.

Two years has passed since Aoi and Kaoru were freed from the bonds of their families. They continue to live their normal lives with their usual friends in their house.

Genre: Comedy, Fantasy, Romance, Vampire, Harem
Episodes: 12
Manga: Fortune Arterial Manga
Type: TV Series
Age Rating:   Teen +13  

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Fortune Arterial Episodes Online

Fortune Arterial's story revolves around the male protagonist Kohei Hasekura, who transfers into a prestigious public school in the style of an English six-year school encompassing junior-high and high school students. The school is on an island named Tamatsu Island off-shore from mainland Japan, and the only way to get there is by boat. Soon after transferring, he discovers that one of the student in the class next door to his, Sendo Erika, is in fact a type of vampire.

(Source: Wikipedia)

Genre: Comedy, Romance, Shounen, Harem
Episodes: 12
Sequel: The World God Only Knows II
Manga: The World God Only Knows Manga
Type: TV Series
Age Rating:   Teen +13  

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Synonyms: Kaminomi, Kami nomi zo Shiru Sekai

The World God Only Knows Episodes Online

Keima Katsuragi, a second-year high school student, is an avid dating sim gamer. He is known on the Internet as "The Capturing God" for his legendary skills to be able to "capture" any 2D girl in games. However, in his actual school life, Keima is known as otamegane, a derogatory portmanteau of the two words otaku (オタク) and megane (メガネ-"glasses").

At the start of the series, Keima receives an e-mail offering him a contract to "capture" girls. He accepts what is thought to be a challenge, and a demon from Hell nicknamed Elsee appears. She asks for his cooperation to help her in catching the runaway spirits. These spirits hide themselves inside the girl's heart, and Elsee suggests that the only method to force the spirits out is by "capturing" their hearts—making them fall in love. Appalled by the idea, Keima refuses after clarifying to Elsee that he is only interested in "capturing" 2D girls and that he detests reality. Nevertheless, with the contract already accepted, Keima would have to help Elsee no matter what; if they fail, both Elsee and Keima would lose their heads.

(Source: Wikipedia)