Gayus and the beautiful but cruel sword-wielder Gigina are "special equationists," individuals that manipulate the equations that govern world's laws thus allowing fantastic and deadly results. These two bounty hunters are caught up in a battle with dragons in the city of Eridana and in the intrigue of great nations.
Kaori Sasaki—a member of Uchihama Academy's Astronomy Club—confesses to Sou Akiyama, but later that evening, she dies in a tragic road accident. Her friends and fellow club members mourn her death in a local hospital. Yet she shows up to school the following day, and no one senses anything amiss.
The day finishes without any unusual incidents, and the group of friends plans for the upcoming cultural festival. Suddenly, the room is shaken by an unnatural earthquake. Everyone splits up to investigate—except for Nagisa Hanamiya, who stays behind. As everyone leaves, Nagisa notices that the odd relic-like cube that she was toying with starts emitting a strange blue light. Meanwhile, Sou stumbles upon an unconscious, naked girl lying in a pool of water.
Since ancient times, Japan has upheld the tradition of the 12 Zodiac signs. Eto-musumes (Zodiac girls), who have the appearance and behavior of the animals of the Zodiac, are pure hearted messengers who act as a bridge between humans and the gods. Every 60 years, the “ETM 12” tournament takes place in Tokyo’s Akihabara district, where aspiring girls from all over Japan gather for the chance to become the next zodiac sign.
315 Production – a newly set up small talent agency – has assembled a group of aspiring male idols from various occupational fields. They include a former lawyer, a former doctor, former pilot and so on… Even though everyone hails from different backgrounds, they share a common dream: to be the top idol. And so, the stories of these male idols at 315 Production take centre stage…
Severe internet addiction has become an epidemic infecting the nation's youth, ultimately resulting in their extreme dependence on the world wide web. Those who are too far gone are enrolled at Elite Reeducation Academy in order to help them grow into successful adults. Li Xiang(Hibiki in Japanese) is one such teenager who awakens in the facility unaware of how he came to be there. He learns from the head instructor that he was knocked out and brought to the school at his mother's behest, concerned with how belligerent her son was becoming as a result of his internet addiction.
Stuck in a place more akin to a prison than an academy, and with no escape from the abuses of the instructors, Li Xiang decides to end his life by jumping from the roof. But as fate would have it, he meets a mysterious man named Shin who promises to give his life meaning...
Yuzuka Hanami is an average girl, with a few friends until one day she finds a strange creature named Miton digging through the garbage. Miton suspiciously tells Yuzuka that she has the makings of a magical girl. However, much to her dismay, when she transforms, Yuzuka is wearing a bathing suit.
Ever since their champion was defeated, the world of girls' junior high ping pong has been in turmoil. Koyori is the new smirking transfer student at her junior high and she's ready to shake up girls' ping pong.
Protagonist Kouki Narumi is a high school student who also writes a manga serialized in a certain weekly publication. Kaoruko Rokuonji is the student council president and illustrator for a popular manga. One day, just as Kaoruko happens to be trying to recruit a male student council member, she learns Kouki's true identity and the fact that it's his manga she has been illustrating. Kouki agrees to join the student council under the condition that she keeps his identity secret. Then his younger sister, Toa Narumi, and her friend Mihiro Miyase also join the student council...
During a field trip, Shio is revealed to be an "E-Gene Holders", a person who wield weapons infused with the spirits of historical figures. The soul of Oda Nobunaga awakens after she tries to rescue a friend.
Yotaro Hanafusa is a descendent of the “Knights of the World.” With the Knight’s Code of Chivalry hammered into him since childhood, Yotaro cannot stop himself from saving damsels in distress. He wears a mask, and is known on the street as “Knight Lancer” but he has always kept his identity a secret. While on an outing, Yotaro saves a 6-year-old girl, Makio Kidoin, the only child of a powerful business tycoon. When Yotaro discovers that Makio leads a lonely life in a huge estate, he resolves to protect her. He and his friends disguise themselves as lodgers and move into her mansion.
One day, a group of aliens planning to take over Earth invade Tokyo. Momoko, who aspires to be an idol, gets involved in the fight in an unexpected form. Warudemon, king of the alien empire, uses various tactics to hunt down Momoko and the people around her. Momoko then decides to stand up to the Warudemon, plain and simple.
Prétear is the story of a girl, Himeno Awayuki, who must overcome her fears to become the White Prétear and protect the life essence on Earth called Leafe, with the help of the Leafe Knights, Hayate (wind), Sasame (sound), Kei (light), Go (fire), Mannen (ice), Hajime (water), and Shin (grass). In order for Himeno to fight off the Princess of Disaster and the demon larva, she must become one with one of the Leafe Knights in order for her to become Prétear. Will Himeno be confident enough in order to fulfill her destiny when the time comes?
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.
Four students of the same age have nothing in common except that they attend the same elite New York City school. Kate, Rose, Claire and Rachel all belong to different cliques and hardly notice each other's existence. Then one day they gain something in common, something very important, something mysterious. They find themselves drawn together by the death of a fellow student and the secret of their own missing memories. Suddenly they are thrown into a world of hidden warfare on the city streets and are caught up in secrets which would not be believed by others. These four all have their own problems to struggle with, things that seem more important than such strange conflicts. Can they escape from this fate? The only thing they know is that despite coming from four different worlds they now have to rely on each other or die without a hope.
Hideyoshino is an average girl who always seems to find trouble wherever she goes. One day, Hideyoshino notice a blue light coming from inside a local Shrine and see a mysterious person performing a magic spell. In a stroke of bad luck, Hideyoshino trips and crashes into the shrine, prompting the magic spell to spiral out of control and sends her back in time to the Sengoku Era. But Hideyoshino realizes that everyone in the world is female. She then decides to help Oda Nobunaga find the Crimson Armor which is said to allow the person wearing the armor to conquer all of Japan.
Inukami are benevolent, dog-like beasts with great spiritual powers that can also take human form. Together with a clan of "Inukami Users," they fight to vanquish evil. One such clan member, Keita Kawahira, is seen as a total loser. He doesn't take his job seriously, flirts with every woman he sees, and can't find a single Inukami willing to form a contract with him. Then, one day, he meets the Inukami "Yoko." She is beautiful, fearless, and powerful beyond compare, but also self-centered and uncontrollable.
In 13-year-old Aoba Tsuzaki's world, everything seems normal. An over-the-top modeling fanatic, she spends her days locked in her room, happily building plastic robots. But rumbling beneath the surface, an evil enemy of mankind (the Ancient Jinki) threatens to destroy the Earth.