The story revolves around Haruka Nanase, a boy who has always loved to be immersed in water, and to swim in it. Before graduating from elementary school, he participated in a swimming tournament along with his fellow swimming club members, Makoto Tachibana, Nagisa Hazuki, and Rin Matsuoka. After achieving victory, each of the boys went their separate ways. Time passed, and in the middle of their uneventful high school lives Rin appears and challenges Haruka to a match, showing Haruka his overwhelming power. Not wanting it to end like this, Haruka, gathers together Makoto and Nagisa once again and brings a new member named Rei Ryugazaki to create the Iwatobi High School Swimming Club in order to defeat Rin.

Nature made Ash Lynx beautiful; nurture made him a cold ruthless killer. A runaway brought up as the adopted heir and sex toy of "Papa" Dino Golzine, Ash, now at the rebellious age of seventeen, forsakes the kingdom held out by the devil who raised him. But the hideous secret that drove Ash's older brother mad in Iraq has suddenly fallen into Papa's insatiably ambitious hands—and it's exactly the wrong time for Eiji Okamura, a pure-hearted young photographer from Japan, to make Ash Lynx's acquaintance.

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.

Ryūji Takasu is a gentle high school student with a love for housework; but in contrast to his kind nature, he has an intimidating face that often gets him labeled as a delinquent. On the other hand is Taiga Aisaka, a small, doll-like student who is anything but a cute and fragile girl. Equipped with a wooden katana and feisty personality, Taiga is known throughout the school as the "Palmtop Tiger." One day, an embarrassing mistake causes the two students to cross paths. Ryūji discovers that Taiga actually has a sweet side: she has a crush on the popular vice president, Yūsaku Kitamura, who happens to be his best friend. But things only get crazier when Ryūji reveals that he has a crush on Minori Kushieda—Taiga's best friend! Toradora! is a romantic comedy that follows this odd duo as they embark on a quest to help each other with their respective crushes, forming an unlikely alliance in the process.

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.

Otonokizaka High School is planning to close within three years. However, nine female students come together with one thing in mind—form a pop idol group to revive the school’s popularity and keep it from shutting down. 'In order to protect our beloved school, there’s only one thing we can do...become pop stars!'

Chakuro is the 14-year-old archivist of the Mud Whale, a nigh-utopian island that floats across the surface of an endless sea of sand. Nine in ten of the inhabitants of the Mud Whale have been blessed and cursed with the ability to use saimia, special powers that doom them to an early death. Chakuro and his friends have stumbled across other islands, but they have never met, seen, or even heard of a human who wasn't from their own. One day, Chakuro visits an island as large as the Mud Whale and meets a girl who will change his destiny.

Advanced placement into a school of higher grade proof-reading is determined by the results of the Promotion Test strictly for class type. Ranging from A class with the best facilities anyone can offer all the way down to F Class which is composed of low dining tables, rotten tatami mats and other worn out facilities. Students can change classes by competing using the Examination Summons Battle system or ESB. Students summon characters with their equivalent test mark scores and use them to compete with other classes.

In the near future, most of mankind now lives in a handful of city states. There, for the privileged elite, life should be perfect. But for young Sion, life has become a nightmare since letting a strange boy spend the night in his apartment. Banished to the outskirts of the city, Sion now finds himself in worse danger as his inquiry into a new series of mysterious deaths results in his being arrested on suspicion of murder! Now, on the run, the two young men have only one chance at survival.

On August 16, midway through a seemingly endless summer vacation, middle school third-year student Nagara, the mysterious transfer student Nozomi, and classmates such as Mizuho and Asakaze, are suddenly transported from their tranquil daily lives to a school adrift in an alternate dimension. They must survive with the super powers that have awakened within them.

Sakaido is a genius detective who can track down any criminal. But when his daughter is murdered, revenge lands him on the other side of the law. Now in prison, he helps the police solve mysteries using a system that invades a person’s identity. Little by little, a trail of blood forms, and it all leads back to his daughter’s murderer.

Yumeji has the ability to see the dreams of other people around him. When Yumeji meets Nightmare Merry, a dream demon seeking to return to her own world he uses his power to assist her.

When Hotaru moves into a new apartment alone, there's a mysterious man standing nearby the apartment. Hotaru decides to confront the man, who turns out to live in the neighboring apartment. The next day at school, Hotaru's best friend Kanae tells Hotaru that a host tricked her out of her money. When Hotaru goes to confront the host, he happens to be none other than Hotaru's neighbor, Masamune?!

Hope's Peak Academy is a special school, recognized by the government, that was established in order to gather and nurture top-class students who excel in various fields. This school has two courses: The main course, and the preparatory course. Anyone with the money can enter the preparatory course, even if they don't have any special skills. The 77th class of the main course is filled with students who not only have unique abilities, but unique personalities as well. However, the students learned that "Talent isn't the most important thing in life; it's to involve yourself with people and make yourself a better person while making memories." However, little did they know that a mysterious project and discrimination of the courses were happening right under their noses. Hajime Hinata, a boy from the preparatory class who craves for an ability. The fateful meeting he has drives the future of the school into an unimaginable direction.

Toru Acura is a 20-year-old retired soldier meandering through life now that the war has ended. He encounters Chaika Trabant, a 14-year-old sorceress carrying a coffin, and follows her in hopes of finding meaning to his life again. The two travel with Toru's adopted sister, Akari, the employed member of the group and thus Toru's source of income.

Izumi was born in a family of celebrities. His father is a singer, his mother an artist, his older brother the lead vocalist for the popular band Crashers. Izumi himself, however, is just a nerdy college student. He loves the manga "Magical Girl Lala Lulu" and dreams of becoming a manga writer himself. One day he is roped into filming a commercial where he wears a dress. Another actor on the set, Ryoma Ichijo, mistakes him for a woman and falls in love at first sight. As it turns out, though, they met ten years in the past. And Ryoma feelings don't change when he finds out Izumi is a boy.