One day, high-school boy Yamada bumps into the beautiful girl Shiraishi on the stairs (literally), and their lips touch as they fall. When they regain their wits, they realize that they have swapped bodies. As time progresses, the two realize that this is not the only mysterious happening in the school.

Raku Ichijo is an average high school student. He also happens to be the sole heir to the head of a Yakuza Family called the Shuei-gumi. 10 years ago, Raku made a promise… a secret promise with a girl he met. They promised one another that they will “get married when they reunite.” Since then, Raku never let go of the pendant the girl gave him.

Keita Amano is a perfectly mediocre loner with no particular distinguishing features other than his love for games. One day, his school's prettiest girl and Gamer Club President Karen Tendo suddenly calls out to him. That moment changes Keita's life forever, as he now finds himself in the midst of a romcom with beautiful girl gamers... or, well, that's how it usually goes. Not with him, however.

Seton Academy, a school full of animals where, thanks to population decline, there are fewer humans than any other creature. Mazama Jin, an animal hater and the only human male in his class, falls in love with Hino Hitomi, the only female human, the moment he lays eyes her. However he soon finds himself entangled with various other creatures after he reluctantly joins the 'pack' of Lanka the wolf, the only other member of her pack. After getting to know each other, the two decide to create a cooking club, and after a few bad-blooded misunderstandings, Ranka soon joins the club as well. Thus begins the howl-some and howl-arious story of two normal humans; an adorable wolf; a cheerful koala; a sluggish, blonde sloth; and a feline with cattitude in their newfound club—in a story that teaches that friendship can be forged by creatures of different kinds.

Few people know the truth: the world is safe thanks to the Magical Girls who are forced to slay Witches. Even though these girls are putting their lives on the line for a wish, rumors say they can be saved in Kamihama City. That’s where Iroha Tamaki is headed in search of answers; she can’t remember the wish she made to Kyubey.

Invertia was a meteor storm that caused an unprecedented disaster during the 20th century. Because of this disaster, numerous cities around the world were destroyed. However, within the meteor, an unknown element called mana was discovered. It allowed human technology to make rapid strides giving rise to a new species of super-powered humans, the Star Pulse Generation (Genestella). The Festas (Star Warrior Festivals) host battles between Genestella at a city of six academies called “Rikka,” also commonly known as “Asterisk.” Scholarship student Ayato Amagiri transferred into Seidoukan Academy in order to fulfill his own wish, swearing he too will fight in this city.

Grigio Academy Boarding School. Students who attend this school in two countries and reside in their own dormitories. Inazuka and Persia are rival dormitory leaders, but in secret they love each other. Now, they have to keep their relationship a secret from their dorm mates, or ruined things will happen to them.

Rei is a 17-year old professional shōgi player, who lives by himself, not having a real family, and has scarcely any friends. Among his acquaintances is a family, which consists of a young woman, Akari, and two young girls, Hinata and Momo, and who also keep a numerous number of cats.

Erika Shinohara has taken to lying about her romantic exploits to earn the respect of her new friends. So when they ask for a picture of her "boyfriend," she hastily snaps a photo of a handsome stranger, whom her friends recognize as the popular and kind-hearted Kyouya Sata. Trapped in her own web of lies and desperately trying to avoid humiliation, Erika explains her predicament to Kyouya, hoping he will pretend to be her boyfriend. But Kyouya is not the angel he appears to be: he is actually a mean-spirited sadist who forces Erika to become his "dog" in exchange for keeping her secret. Begrudgingly accepting his deal, Erika soon begins to see glimpses of the real Kyouya beneath the multiple layers of his outer persona. As she finds herself falling for him, she can't help but question if he will ever feel the same way about her. Will Kyouya finally make an honest woman out of Erika, or is she destined to be a "wolf girl" forever?

The life of an artist can be hard: Long, arduous hours working with only your thoughts and assistants to keep you company. In the case of overworked mangaka Aito, his attempts to merge the two are so far unsuccessful. His priorities are askew and subjecting his assistants to his fantasies has taken precedent over work. Despite his abuse of power, his assistants are willing to play along. Thankfully, editor Mihari is there to keep him in line, from threatening to fire him to physical punishment.

The story revolves around a first-year high school student, Teiichi Niiya who had just enrolled at Seikyou Private Academy. When he gets lost in one of the school's old building, he meets a girl named Yuuko Kanoe who reveals herself as a ghost with no memories. Teiichi then decides to investigate her death by delving deep into the infamous Seven Mysteries of the storied school along with Kirie Kanoe, Yuuko's relative, and the oblivious second year Momoe Okonogi. Throughout the story, Teiichi and Yuuko discover the truth about these ghost stories and help those who are troubled all the while inching closer to the truth behind Yuuko's death.

The dark fantasy follows a high school sophomore named Akihito Kanbara. Although the boy appears human, he is half Youmu and invulnerable to wounds because he can heal quickly. One day, Akihito meets freshman Mirai Kuriyama when it seems she is about to jump from the school rooftop. Mirai is isolated because of her ability to manipulate blood, which is considered heresy among members of the spirit world. Disturbing events begin to unfold after Akihito saves Mirai.

Shy Natsu awakens as part of a group chosen to ensure the survival of humanity. Together, they have to survive on a changed Earth.

In a world very much like our own, great race horses of the past have a chance to be reborn as "horse girls"—girls with the ears and tails of horses as well as their speed and endurance. The best of these horse girls go to train at Tokyo's Tracen Academy, hopefully moving on to fame and fortune as both racers and idols. Special Week, a high school horse girl from the countryside, has just transferred to Tracen, and she's determined to fulfill her promise to her mother to become the best horse girl in Japan. On her way to school, she takes a pit stop at the race track and instantly falls in love with Silence Suzuka's style, becoming determined to race on the same team as her.

Earth has been populated by thousands of aliens from all over the galaxy. While all the other aliens are aware of their presence, it is a secret only from the Earthlings. Baka, the prince of the planet Dogra, crash lands on Earth and loses his memory. He forcibly moves in with Yukitaka Tsutsui, a first year high school student who had just moved out on his own. The normal life he once knew is quickly pulled away as he becomes the target of the prince's torment.

A near future, where humans have been defeated by the viral parasites named Gastrea. They have been exiled into a small territory and live in despair, side-by-side in terror. In this world trapped in darkness— Rentaro, a boy living near Tokyo and member of the "Civil Security"—an organization specializing in fighting against the Gastrea—is used to accomplishing dangerous tasks. His partner is Enju, a precocious young girl. They fight thanks to their peculiar powers until one day, when they receive a special assignment from the government. This top secret mission is to prevent the destruction of Tokyo... Set in a near future, this thrilling heroic-action story... starts now!

During the early 1930s in Chicago, the transcontinental train, Flying Pussyfoot, is starting its legendary journey that will leave a trail of blood all over the country. At the same time in New York, the ambitious scientist Szilard and his unwilling aide Ennis are looking for missing bottles of the immortality elixir. In addition, a war between the mafia groups is getting worse. On board the Advena Avis, in 1711, alchemists are about to learn the price of immortality. Takes place in the same universe as Durarara (2010).

Kodaka Hasegawa has just transferred to St. Chronica's Academy and he's having a hard time making friends. With his naturally blond hair and fierce looking eyes, people constantly mistake him for a delinquent. One day, he runs into his bad-tempered loner of a classmate, Yozora, while she's talking to her imaginary friend, Tomo. Since neither of them have any friends, they decide to form a club and start recruiting some. Little by little, lonely classmates join their club to learn how to build friendships through cooking together, playing games, and other group activities. But, with so many misfits, will the club members really be able to get along?

Join Tadakuni, Hidenori and Yoshitake as they undergo the trials and tribulations of life in high school. Each episode presents the boys and their classmates in unique situations that you may or may not have faced in high school yourself.

Three years ago, the world learned that harpies, centaurs, catgirls, and all manners of fabulous creatures are not merely fiction; they are flesh and blood - not to mention scale, feather, horn, and fang. Thanks to the "Cultural Exchange Between Species Act," these once-mythical creatures have assimilated into society, or at least, they're trying. When a hapless human teenager named Kurusu Kimihito is inducted as a "volunteer" into the government exchange program, his world is turned upside down. A snake-like lamia named Miia comes to live with him, and it is Kurusu's job to take care of her and make sure she integrates into his everyday life.