A school comedy taking place in Tokyo in 2034. Copihan is a joint project of Gonzo and Kei, the illustrator of the manga version of Copihan who is best known for Hatsune Miku.
Kou Ichinomiya has always lived according to the creed of his wealthy, successful family: never be in debt to anyone. But one day, under the Arakawa Bridge, his life is saved by a homeless girl named Nino. In order to pay her back, Kou promises to be her boyfriend; and thus begins his new life under the bridge.
The story revolves around a highschool girl named Fujioka Haruhi at the prestigious Ouran Academy, who stumbles upon a group of male students who have formed their own club as hosts. Accidentally breaking an antique vase, Haruhi ends up owing the club a vast amount of money, and she ends up posing as a host in order to repay her debt.
Six months ago, Lord Hugh Disward (Huey), lost his eccentric grandfather, Wes. To inherit Wes's estate, Huey must take guardianship over the 'Mystic Archives of Dantalian' that contains forbidden knowledge and a mysterious girl called Dalian. Dalian and Huey begin an unlikely partnership as they solve mysteries caused by Phantom Books.
It is currently the Taiheimeji era, during the rule of the Tokugawa shogunate. In this era, breasts mean everything. If you have breasts, you are guaranteed wealth and popularity, but if you lack them, you are rarely considered human. Inside the shogunate, there is a group of warriors that support the government—the Manyuu Clan, which helps raise the future big breasts. Written on a secret scroll possessed by the clan, there are said to be various techniques on how to grow big and beautiful breasts. Chifusa is the heir of the clan. However, she takes the secret scroll and runs away with it, hoping to fight against the cruel world that the Manyuu Clan has created…
At a school full of geniuses from varying fields of study, Taketo Akutagawa has a special – albeit different – genius as well: writing harem novels. Now amongst the other geniuses, he aims win the interclass competition and be recognized as the world’s greatest harem writer.
Taito has been really sleepy lately, and keeps dreaming of a female vampire who says she has given him her "poison." Sometimes he even thinks he hears her voice when he's awake. But after surviving an accident that should have killed him, Taito's world changes drastically and he realizes that his dreams are more real than he thought.
By force of circumstances, a 30-year-old single man with a full-time job suddenly starts raising a 6-year-old girl. While running each other ragged, the two of them gradually grow into a "family".
Mayu Morita is a high school girl who rarely speaks, not because she doesn't like to talk nor because she has nothing to say, but because she thinks too much before speaking, thus losing altogether the timing to speak.
On her first day attending the all-girls Nanamori Middle School in Takaoka, Toyama Akaza Akari oversleeps, to be awakened by her one-year-senior childhood friends: the level-headed Funami Yui and the often self-centered Toshinou Kyouko. Planning on exciting club activities at school, Akari joins the club her older friends have set up. But as it turns out Kyouko and Yui simply took over the former room of the now defunct tea ceremony club for their own Amusement Club. In regard to what the club does, Kyouko explains: "We just hang out and do whatever we want!" This is not exactly what the helpful and energetic Akari had hoped for. Surprisingly a few days later Yoshikawa Chinatsu joins the club even though she mistook it for the former tea ceremony club.
And so the four fun-loving girls could enjoy spending their spare time at the club were it not for the student council, in person of vice president Sugiura Ayano, who does her very best to shut down this unauthorized club.
Haruka Minazuki and Aoi Kannazuki are freshman high school students and best friends who enjoy school life like any other kid. But what's different about them is they live a different life at night fighting off demons and enemies.
Ganta is the only survivor after a mysterious man in red slaughters a classroom full of teenagers. He's framed for the carnage, sentenced to die, and locked away in the most twisted prison ever built: Deadman Wonderland. And then it gets worse.
Humans live in the world of Assiah, demons in Gehenna. The two dimensions are not meant to interfere with each other, but demons still possess creatures in Assiah in spite of this. The humans who can fight these demons are known as exorcists. Rin Okumura is a boy who bears the curse of being Satan's illegitimate son. His foster father sacrificed himself to save him from demons. To avenge his foster father's death as well as to prove himself, Rin decides to follow the path of an exorcist and defeat his own father, Satan. To hone his raw skills, Rin enters True Cross Academy to train with other exorcist candidates.
The story revolves around a highschool boy named Niwa Makoto. He lives with his aunt's family since his parents are away on business. It is there where he meets his mysterious cousin of the same age Touwa Erio — who happens to tie a futon mattress around her upper body and is a self-proclaimed alien. Her staple food is pizza. Erio had been missing for half a year and was found floating in the sea. She doesn't remember anything about what happened during that period of time, but she began to think that it was the act of an alien and wanders the neighbourhood wrapped in the futon.
In response to the worsening crime rate, Japan creates Tokyo Butei High, an elite academy where "Butei" or armed detectives hone their deadly skills in hopes of becoming mercenary-like agents of justice. One particular Butei is Kinji Tooyama, an anti-social and curt sophomore dropout who was once a student of the combat-centric Assault Division. Kinji now lives a life of leisure studying logistics in order to cover up his powerful but embarrassing special ability. However, his peaceful days soon come to an end when he becomes the target of the infamous "Butei Killer," and runs into an emotional hurricane and outspoken prodigy of the highest rank, Aria Holmes Kanzaki, who saves Kinji's life and demands that he become her partner after seeing what he is truly capable of.
When Yadomi Jinta was a child, he was a central piece in a group of close friends. In time, however, these childhood friends drifted apart, and when they became high school students, they had long ceased to think of each other as friends.
One of the friends from that group, Honma Meiko, now has a wish she asks Jinta to fulfil. The problem is, she can't remember what her wish is anymore.
When aspiring duelist Yuma meets Astral, a mysterious visitor from another universe, it seems like destiny. Yuma needs Astral to teach him how to duel, and Astral needs Yuma to help him regain his memories!
Kazuma Hoshino moves to the beautiful countryside to take care of his little brother, Ayumu Hoshino. They ended up they getting lost on their way to the Japanese Inn.
While job hunting, Naoya is taken by a mysterious girl to a magical land where he is installed in the harem of the succubus Princess Lotte. Thanks to trauma from her childhood, Lotte hates men and surrounds herself with lots of other women, who all have quirks of their own. In spite of her selfishness, when Naoya learns that Lotte is really quite lonely he agrees to stay in her world...if he can bring his daughter Asuha with him.