In Victorian-era London, on the night of Ciel Phantomhive's tenth birthday a fire destroyed his manor and killed both of his parents. In a moment of death Ceil strikes a deal with a demon, his soul in exchange for revenge. This demon becomes his butler and calls himself by name of Sebastian Michaelis, to protect and serve Ciel until the deal has been completed. One month after the fire Ciel returns from being missing, with his new butler Sebastian. Ceil is now the head of the Phantomhive corporation, handling all business affairs as well as the work as the Queen of England’s guard dog and looking for his parents murders.
The Empire of Britannia has invaded Japan using giant robot weapons called Knightmare Frames. Japan is now referred to as Area 11, and its people the 11's. A Britannian who was living in Japan at the time, Lelouch, vowed to his Japanese friend Suzaku that he'd destroy Britannia. Years later, Lelouch is in high school, but regularly skips out of school to go play chess and gamble on himself. One day, he stumbles on terrorists 11's who've stolen a military secret and is caught by a member of the Britannian task force sent after them, who is Suzaku. As the rest of the squad arrives, Suzaku is shot for disobeying orders, while the military secret, a young girl, gives Lelouch the power of Geass, which makes anyone obey any order. While Suzaku is secretly made the pilot of Britannia's brand new prototype Knightmare, Lancelot, Lelouch becomes the masked Zero to lead the rebellion to destroy Britannia once and for all.
It's been one year since the failure of the Black Rebellion and the supposed death of Zero. Britannia has assigned Area 11 a "correctional education" status, where Elevens are made an example of by brute force, to try to prevent any future uprisings and suppress rebellious thoughts. Unsuspecting high school student Lelouch, oblivious to his rebellious past as Zero, stumbles upon a scheme on his life and the life of a mysterious woman known as C.C., who reveals to him his forgotten purpose and his "true" self. Destroying his assailants and declaring himself Zero once again, Lelouch sets out to finish what he started.
In Tokyo, an impenetrable field known as "Hell's Gate" appeared ten years ago. At the same time, psychics who wield paranormal powers at the cost of their conscience also emerged. Hei is one of the most powerful of these psychic agents, and along with his blind associate, Yin, works for one of the many rival agencies vying to unlock the mysteries of Hell's Gate.
Yagami Light is an ace student with great prospects, who's bored out of his mind. One day he finds the "Death Note": a notebook from the realm of the Death Gods, with the power to kill people in any way he desires. With the Death Note in hand, Light decides to create his perfect world, without crime or criminals. However, when criminals start dropping dead one by one, the authorites send the legendary detective L to track down the killer, and a battle of wits, deception and logic ensues...
Ten years ago Fujiwara noticed he had a power to see multicolored auras surrounding the person's body. Ever since then he's been having a weird dream about a war with cats. Then one day a mysterious girl falls on top of him...
Shirou Emiya lost his parents in a fire when he was young and was later adopted by a sorceror by the name of Kiritsugu Emiya. Although he was full of admiration for his adopted father and yearns to become an ally of justice, Shirou has limited powers and was unable to become a strong sorceror like his father. That is until one fateful day, he was drawn into the Holy Grail War and had to summon a female "Servant" known as Saber in order to protect himself. It turns out that the Holy Grail War involves a series of battles among powerful sorcerors to fight for the possession of a relic that will grant one's wishes, the Holy Grail. There are altogether seven "Masters" who can summon their respective "Servants" from different classes known as Saber, Archer, Rider, Berserker, Lancer, Caster and Assasin. These "Servants" have to hide their names in order not to reveal their weaknesses to the enemies. The story revolves around Shirou and his entanglement in the Holy Grail War.
The Japanese Ministry of Defense has an anti-paranormal special forces group called the Paranormal Disaster Countermeasure Headquarters. They're the ones responsible to protect Japanese soil and its people from supernatural and paranormal events. However, things didn't go so well in one of their missions, which leads to intervention by the Ministry of Enviroment's Supernatural Disaster Countermeasures Division after the PDCH has sustained large numbers of casualties battling demons.
Ayumu Aikawa must continue to fight the Megalo in place of Haruna, who continues to recharge her magical powers. While trying to figure out the mysteries behind the people who are releasing these Megalo in the world, Ayumu meets a beautiful, black-haired girl by chance, and she only has eyes... For his butt.
Oz Vessalius, heir to one of the duke houses, has just turned fifteen. His life is rich and carefree, darkened only by the constant absence of his father. At his coming-of-age ceremony, however, everything changes. For no reason that he can discern, he's cast into the prison known as the "Abyss", only to be saved by a "chain" known as Alice, the bloodstained black rabbit. It is unknown why was he cast into Abyss, how does Alice factor into it all, and what does the organization known as "Pandora" want with him.
After experiencing a bizarre dream, Madoka Kaname, a kind 14-year-old girl, encounters a magical creature named Kyube. Madoka and her friend Sayaka Miki are offered the opportunity of gaining magical powers if they agree to make a contract with the strange little being. He will also grant them one wish, but in exchange they shall risk their lives by accepting the responsibility of fighting witches. Invisible to human eyes, witches are catalysts of despair in the areas they inhabit. An ally of Kyube, a magical girl named Mami Tomoe, befriends and encourages the two girls to accept the contract. For an unknown reason, another magical girl named Homura Akemi is determined to prevent Madoka from accepting the deal.
WIXOSS is a card game that's popular with teenagers. Supposedly there exist "LRIG Cards," female character cards with wills of their own. Special girls can hear the voices of the LRIGs, and those who possess them are called "Selectors." These Selectors have card battles in a dimension that other humans cannot access. It's said that whoever triumphs in these battles will have their wish granted. Ruko Kominato is the latest girl to find a LRIG card. She names hers Tama, and without any further explanation is thrown into her life as a Selector.
Ryosuke Kaga is an ecchi high school boy attending Momozomo Academy. One day, he meets a girl standing alone in the rain. She is Lisara Restor, an elite Grim Reaper, who visited the human world in order to find "The Singular Man". Ryosuke makes a contract with Lisara and she sucks energy required for her activity in the human world from Ryosuke. The source of the energy is his perverted spirit. To recover the sexual desire, Ryosuke has no choice but to help Lisara's search.