Onii Chan No Koto

Junior High student Nao's brother complex is so strong, it's almost at the point of incest. She's determined to make her brother, High School student Shuusuke, see her as a woman. So determined, that she goes as far as going into his room to throw away all his non-incest related porn. But as she's looking for his porno stash, she finds a photo album... and she's not in any of his childhood pictures. What is going on?

DN Angel

Niwa Daisuke is your average teenager, until his fourteenth birthday. He tries to declare his love to the girl of his dreams, but fails. Suddenly, whenever he thinks about this girl he turns into the legendary phantom thief known as Dark Mousy. Daisuke's mother, very much aware of this, makes him turn into Dark and steal valuable works of art for a purpose unknown to Daisuke. As the story unfolds, he learns why, and about his classmate who seems to have the same ability.

Akikan

Hobbies are often a great way of meeting new people, but how could Kakeru Diachi, who collects rare juice cans, have ever suspected that he'd meet a fascinating new girl when he attempted to DRINK her? Naming her Melon, because she's got great melon... soda, Kakeru quickly learns that she's an Akikan—a beautiful girl who's also a special can created to fight other Akikans in a strange experiment to determine what kind of container is better: steel or aluminum! 

Will becoming involved in this ridiculously twisted research project gone amuck complicate Kakeru's life incredibly? Of course it will, but because Melon's steel body needs carbon dioxide to breathe, he's now stuck with her since she's too CO2 dependent! And when his wealthy, attractive, best childhood friend Najimi gets HER own aluminum Akikan, the trouble really begins! 

Seto No Hanayome

Michishio Nagasumi's life couldn't be any more normal. In an odd twist of events, during his summer vacation he ends up almost drowning in the sea. Luckily, the cute mermaid Seto San appears to save him. However, San is from a yakuza mermaid family and according to their law, if a human is to catch sight of a mermaid, either he or the mermaid must die. The only other way is for Nagasumi to be taken in as a family member, marrying San. In attempts to save both of their lives, Nagasumi asks for San's hand in marriage. Nagasumi's summer vacation reaped more then what he would expect, as he must now protect San from others finding her secret out.

Yuushibu

The story revolves around Raul, a boy who did not become a Hero, since the demon lord was already defeated just before his Hero exams. His dreams dashed, Raul spends his days working at a magic shop in the capital. One day, a part-time job seeker appears at the shop with an amazing résumé:

Kure-nai

He's only a teenager, but Kurenai Shinkurou is already both a master of an arcane martial art and an experienced professional mediator with a long track record of resolving disputes. Not bad for someone who's just sixteen and still in school, but everyone has their limits and Kurenai may have met his when his boss and role model, Benika, responds to his request for a more challenging assignment by giving him the task of protecting young Murasaki Kuhoin. Never mind that she's only seven, the fact that the people Kurenai's supposed to protect her from are her own very rich and extremely powerful family is guaranteed to take this job into the danger zone. Now the heat is on and Kurenai's scrambling to put out as many fires as he can, even as the secrets surrounding his young charge bring everything else to a flashpoint. 

Dance in the Vampire Bund

After millennia in hiding, Mina Tepes, the Princess of the ancient covenant and ruler of all vampires, wants change. Using the vast wealth of the Tepes line, she has paid off the entire gross national debt of Japan and in so doing, gained the authority to create a "special district" off the coast of Japan that is to become the future haven to vampires the world over!
Now, on the eve of the landmark press conference announcing the existence of vampires to the world, terrorists and rival factions are plotting to assassinate Mina Tepes before she has a chance to make her world-changing announcement.

Magic Kaito

Kaito Kuroba, a normal teenage student whose father is often absent for vaguely defined reasons. When his father dies under mysterious circumstances, he is made aware of his father's secret identity; a famous international criminal known as International Criminal 1412: the Phantom Thief, and that he was murdered by a mysterious organization for refusing to aid them in retrieving the "Pandora Gem"; a mystical stone said to shed a "tear" during the passing of a particular comet, the consumption of which bestows immortality. He vows to prevent the organization from gaining immortality, and assumes his father's identity as he begins his quest for the gem. His only clues as to the gem's location are that it glows red under the full moon and that it is a doublet: a gem hidden within a larger gem. Thus, it would have to be a relatively large one with a bizarre history, and always stored in a place that never receives moonlight. He thus researches and steals famous priceless gems with odd histories from incredibly well-defended areas, and always returns them after the very next full moon. 

Tokyo Ghoul Va

Second Season of Tokyo Ghoul series.

TokyoGhoul

The suspense horror/dark fantasy story is set in Tokyo, which is haunted by mysterious "ghouls" who are devouring humans. People are gripped by the fear of these ghouls whose identities are masked in mystery. An ordinary college student named Kaneki encounters Rize, a girl who is an avid reader like him, at the café he frequents. Little does he realize that his fate will change overnight.

Onegai Twins

Maiku Kamishiro's past has always been somewhat of a mystery to him. The only clue he has to who is family might be is an old photograph showing two young children, a boy and a girl, playing in a small pool outside of a blue house. In an attempt to find his family, he moves to this blue house and begins working as a programmer. He's living a comfortable life until the day two very different girls show up at his door, both in possession of the same photograph, and both claiming to be his twin. With no way to prove who is a relative and who is a stranger, Maiku allows both girls to move in with him until they know for sure. 

Onegai Teacher

Kusanagi Kei, a high-school student living with his aunt and uncle, has an encounter with a female alien. This alien is revealed to be a new teacher at his school. Later, he is forced to marry this alien to preserve her secrets. From there, various romantically-inclined problems crop up repeatedly. 

HappyLesson(Tv)

Hitotose Chitose was always alone and untrusting of people but when 5 female teachers appear and started living together with him in his family's house as his mothers, things started to change and pick up, together with Hazuki-nee and Minazuki (his 2 sisters) everyday is a lesson. 

Goshusho-Sama Ninomiya kun

Shungo is a normal high school student living in a huge house. One day, his sister Ryoko sends Mayu and Mikihiro Tsukimura, two siblings, to live with him to help Mayu overcome her problem. Mayu's problem: androphobia (fear of men), and Ryoko wants Shungo to help her overcome. How? By making Mayu and Shungo share the same room, bed, and even take baths together. To make things even worse, Reika Hojo, the student-council chair, somehow ends up becoming their maid. 

Romantica Clock

Three episodes aired on TV as part of the Ribon x Oha Suta specials. 

Akane: She's beautiful and popular, lively and full of vitality; Aoi: Looks like a small animal but is actually very clever. Who knew that these two very different people were actually... twin siblings?

Absolute Duo

The story begins with Blaze—a weapon that is the manifestation of a human's soul. Tooru Kokonoe happens to be qualified for this, but for some reason his Blaze is not a weapon, but a shield. Moreover, he enrolled in a school that teaches combat skills, and thanks to the school's Duo partner system, he ends up living with a beautiful silver-haired girl

Trinity Seven

In this "romantic comedy but sometimes serious magical school story," life as Arata Kasuga knows it is wiped out by a bizarre incident known as "Collapse Phenomenon," which causes worldwide destruction and takes his cousin Hijiri Kasuga to the next world. To resolve the "Collapse Phenomenon" and bring back Hijiri, Arata enrolls in the Royal Biblia Academy. Waiting in the school are seven beautiful female magic users—the Trinity Seven.

Strike The Blood

The Fourth Progenitor—that's the world's strongest vampire that should only exist in legends. Accompanied by twelve Kenjuu and spreading calamity, this phantom vampire appeared in Japan. For the observation and obliteration of this Fourth Primogenitor, the government and Lion King decided to dispatch an attack mage known as a Sword Shaman. However, for some reason, the one chosen for the observation was a apprentice Sword Shaman girl, Himegari Yukina. Wielding the strongest anti-primogenitor spirit spear, Yukina arrived at Demon District, Itogami City. What is the true identity of the Fourth Primogenitor, Akatsuki Kojou, she encountered over there?!

Parasyte

Based on Iwaaki Hitoshi's science-fiction horror manga by the same name.

The 17-year-old Izumi Shinichi lives with his mother and father in a quiet neighborhood in Tokyo. One night, worm-like aliens called Parasytes invade Earth, taking over the brains of human hosts by entering through their ears or noses. One Parasyte attempts to crawl into Shinichi's ear while he sleeps, but fails since he is wearing headphones, and enters his body by burrowing into his arm instead, taking over his right hand and is named Migi.

Because Shinichi was able to prevent Migi from traveling further up into his brain, both beings retain their separate intellect and personality. As the duo encounter other Parasytes, they capitalize on their strange situation and gradually form a strong bond, working together to survive. This gives them an edge in battling other Parasytes, who frequently attack the pair upon realization that Shinichi's human brain is still intact. Shinichi feels compelled to fight other Parasytes, who devour humans as food, while enlisting Migi's help.

Rosario Vampire

By a bizarre coincidence, Tsukune Aono has accidentally gotten himself admitted to a youkai academy, a school attended by monsters. Just when he thinks he'll run away from there, he meets the beautiful girl Moka and his mood turns ultra happy. However, she transforms into her true form when the rosary on her chest is taken off, she's a super vampire!

Clannad

Okazaki Tomoya is a delinquent who finds life dull and believes he'll never amount to anything. Along with his friend Sunohara, he skips school and plans to waste his high school days away.

One day while walking to school, Tomoya passes a young girl muttering quietly to herself. Without warning she exclaims "Anpan!" (a popular Japanese food) which catches Tomoya's attention. He soon discovers the girl's name is Furukawa Nagisa and that she exclaims things she likes in order to motivate herself. Nagisa claims they are now friends, but Tomoya walks away passing the encounter off as nothing.

However, Tomoya finds he is noticing Nagisa more and more around school. Eventually he concedes and befriends her. Tomoya learns Nagisa has been held back a year due to a severe illness and that her dream is to revive the school's drama club. Claiming he has nothing better to do, he decides to help her achieve this goal along with the help of four other girls.

As Tomoya spends more time with the girls, he learns more about them and their problems. As he attempts to help each girl overcome her respective obstacle, he begins to realise life isn't as dull as he once thought.

High School DxD

Issei Hyodo is your average perverted high school student whose one wish in life is to have his own harem, but he's got to be one of the unluckiest guys around. He goes on his first date with a girl only to get brutally attacked and killed when it turns out the girl is really a vicious fallen angel. To top it all off, he's later reincarnated as a devil by his gorgeous senpai who tells him that she is also a devil and now his master! One thing's for sure, his peaceful days are over. In a battle between devils and angels, who will win? 

Gakuen Heaven

Itou Keita, an average guy, is shocked when he's invited to attend the elite institution, "Bell Liberty Academy." Unnerved by the mystery, he's further distracted by the school's social dynamics. In a sea of amazing young men, Keita struggles to find out what makes him unique, and how he can possibly deserve to be treated as an equal by the boys of BL. Lacking any particular ability, just why has Itou been welcomed into the privileged world of the talented and the beautiful? 

Along the way, he develops intense relationships with the almost everyone at school but he is terribly drawn to the friendly, over-caring but very mysterious classmate, Kazuki Endou.

Noucome

Kanade Amakusa is a high school student who is suffering from a curse called "Absolute Choices." This curse requires him to select an action from a list of two or three options that appear before him at any time, and has no control over what choices appear. Many of them are weird or perverse and as a result, the curse has tainted his reputation with his classmates and other people around him, making his life very difficult. However, one day, a choice he makes on his way home from school causes a mysterious, beautiful young girl to fall from the sky.

Seirei Tsukai No Blade Dance

Only a pure maiden can have the privilege to contract with a spirit. In here, Areishia Spirit Academy, trained maidens of noble families are gathered and given an elite's education to become spirit contractors. A boy, Kamito, peeped by accident at a girl, Claire, while she was taking a bath and he ended up making a contract with the spirit she wanted. Yes, Kamito is an irregular boy spirit contractor whose existence was thought impossible until now. "You stole...my spirit...you have to take responsibility for it!" "Huh?" "You have to become my contracted spirit!" What will Kamito's destiny lead to?

Another

When Kouichi Sakakibara transfers to his new school, he can sense something frightening in the atmosphere of his new class, a secret none of them will talk about. At the center is the beautiful girl Mei Misaki. Kouichi is immediately drawn to her mysterious aura, but then he begins to realize that no one else in the class is aware of her presence.

To Love Ru

The story is about Rito Yuuki, a high-school boy who cannot confess to the girl of his dreams, Haruna Sairenji. One day when coming home and sulking in the bath-tub a mysterious, nude girl, appears out of nowhere. Her name is Lala and she comes from the planet Deviluke, where she is the heir to the throne. Her father wants her to return to her home planet so she can marry one of the husband candidates, but she decides that she wants to marry Rito in order to stay on Earth

Sword Art Online

Sword Art Online (Japanese: ソードアート・オンライン Hepburn: Sōdo Āto Onrain^?) is a Japanese light novel series written by Reki Kawahara and illustrated by abec. The series takes place in the near-future and focuses on various virtual reality MMORPG worlds. The light novels began publication on ASCII Media Works' Dengeki Bunko imprint from April 10, 2009, with a spin-off series launching in October 2012. The series has spawned eight manga adaptations published by ASCII Media Works and Kadokawa. The novels and four of the manga adaptations have been licensed for release in North America by Yen Press.

An anime television series produced by A-1 Pictures aired in Japan between July and December 2012. An Extra Edition episode aired on December 31, 2013, and a second anime series, titled Sword Art Online II, began airing in July 2014. A video game based on the series, Sword Art Online: Infinity Moment, was released on PlayStation Portable in March 2013, with a second game, Sword Art Online: Hollow Fragment for PlayStation Vita (PS Vita) released in April 2014. A third game, Sword Art Online: Lost Song, will be released on PlayStation 3 and PS Vita in March 2015.

Sword Art Online has received widespread commercial success, with the light novels having over 16 million copies printed in several countries including Japan, Taiwan, China, South Korea, Thailand, the United States, Canada, and the United Kingdom.^[1] The anime series has received mixed to positive reviews from critics, with some praising the exploration of the psychological aspects of virtual reality, while others criticized the series' pacing and writing.

Date A Live

Date A Live (Japanese: デート・ア・ライブ Hepburn: Dēto A Raibu^?) is a Japanese light novel series written by Kōshi Tachibana and illustrated by Tsunako. An anime adaptation series aired on TV from April 6 to June 22, 2013. Each episode was streamed in lower quality on Niconico a week before its TV premiere. Following the end of the first season, a second season was announced, titledDate A Live II, which began airing from April 11 to June 13, 2014. A theatrical film adaptation has been announced