Tokiko Mima, nicknamed "Key," is a 17-year-old girl living in the Japanese countryside who, despite her human-like appearance, is a robot. When Key's grandfather Dr. Murao Mima passes away, he leaves her a dying message, telling her that she can become a real girl if she is able to make thirty thousand friends. Thus, Key moves from the quiet Mamio Valley to the busy streets of Tokyo, where she soon runs into her childhood friend Sakura Kuriyagawa.
Key quickly becomes enamored with idol singer Miho Utsuse and wonders if becoming a singer will allow her to make the amount of friends needed for her to become human. But Miho carries a ominous secret: she is connected to Jinsaku Ajou, an old rival of Dr. Mima trying to make new a breakthrough in robotic weaponry. As Key works to become a real girl, Ajou sets a dangerous plan into action, and it turns out there's much more to Key than meets the eye.
In the distant future, mankind is divided into two factions: Union and Deague. They have waged a war against each other for so long that no one remembers when it first began.
Sara Werec, the daughter of a respectable family, is a 16-year old girl who attends a Space Academy where she is training to become a pilot. Her brother, Ralph Werec, had been sent to the frontline to accomplish a special mission when she was 11 years old. The two of them had lost their parents when they were young and the bond between the two is very close. It is Sara’s dearest wish to be reunited with her brother. To do that, she must travel to the battlefield where he is.
One day, Sara’s planet is suddenly assaulted by Deague forces. To her surprise, her brother, Ralph, turns out to be one of the raiders who successfully kidnap a mysterious girl sleeping in a capsule.
One of the Lords of Dark Beasts, Clevatess’s reign shatters when he revives a hero he personally slayed and adopts an orphaned humanoid baby—the last hope to save a dying world. Now bound together, what fate awaits this unlikely trio?
Robotic invaders wiped out all life, but Renge fights to survive using her powers. With no memories, she roams the city until she meets five other young women, each with unique abilities. Together, they make the most of their lives, cooking delicious meals between battles with mechanical monstrosities. As they uncover the secrets of their powers and pasts, they find strength in their friendship.
Humans fight to protect their land from invading demi-human tribes in relentless battles. As his world is engulfed by intense warfare, Kai, a village boy from Lag, joins the fight to defend all he knows. After Kai’s comrades fall one by one and he’s injured, he suddenly recalls memories from another life. A fantasy tale unfolds as a village boy explores a world of magic, mystery, and heroism.
In Animal Town where humans and animals live together, Iroha who loves animals is very close to her dog Komugi! One day, a mysterious creature called a GaruGaru goes berserk in her city. In order to protect Iroha, Komugi transforms into a human and even a Pretty Cure…!? We have to protect such berserk animals! Let's join forces and return the animals to the Niko Garden!
Mysterious creatures have been terrorizing an island, forcing locals to flee their once-thriving home. With government funds lacking for monster eradication, Tajima purchases the only construction company left and transforms it for the task. Thankfully, the brilliant Testuro Okino and his new robot, Bullbuster, come to their aid. But the team is on a tight budget. Can they save the island?
The story reimagines Yoshiko Tsushima, the school idol afflicted with chuunibyou (adolescent delusions of grandeur), as a magical girl. The story is set in Numazu, a scenic harbor town surrounded by the sea and mountains. Ever since she was little, the girl Yohane has never fit in, and has always felt apart from everyone in town. Her aspirations and true place in this world lie elsewhere. The story follows this girl who can't follow rules as she journeys into the mysterious world.
In a world where most families own a cute maid robot, average elementary kid Bondo hopes for one of his own. But the robot who shows up is anything but average! Meet Roboco—the wackiest, most powerful maid imaginable!
The story begins when Berry, an average girl from an average home, meets Hack, a girl who looks like a boy. Charmed by Hack, Berry meets up with the team Hack leads, the Ghost Detectives Club. Members of this club are “socially dead,” working invisibly within the digitally controlled society of Tom Sawyer. As she works with the group, Berry learns about Zero, a mysterious figure who lurks within Tom Sawyer’s underground. She and Hack decide to chase down this figure, and in time, the truth behind the city is revealed...
The story is set in the future, not long after the present day. Hyper Sports, which use extreme gear as support items, have become popular hobby competitions among both children and adults. Hiyori Hayama is a high school singer who has nothing to do with Hyper Sports, but a certain incident sets the story in motion.
At the end of the 21st century, the discovery of a new energy source called "DG energy" (short for "divine grace energy") has revolutionized Earth's economy and allowed humanity to colonize space. However, when the initial expedition reaches Pluto, they are attacked by a mysterious, giant life-form known as "Nergal."The Earth Alliance Army fights back by creating an "AG Unit" using ancient robot weapons known as the "G's Frame" which were excavated from archaeological sites all around the world. Girls with special qualities known as "Ancient Girls" can pilot these robots against the Nergal. However, the first AG Unit suffers heavy casualties in the Jupiter Trojan campaign, and the pilot of Unit 04, Minamiya Reiu, goes missing-in-action...Years later, Minamiya Reika, the younger sister of Reiu, enlists with the AG Unit to search for her sister and to protect the Earth from the Nergal. A story of friendship, ancient robot weapons, and battles to the death with the Nergal ensues.
The distant future. After reaching its peak, Earth's population fell into decline. AI was developed to help preserve the species and manage the ecosystem; a grand experiment in human diversity. Through genetic engineering, a diverse array of peoples, including beastfolk, magical beings, and more, was created to live in a diverse city separated into walled "clusters".
Each cluster developed a unique culture, befitting of the people that lived there. Their lives, and the system, is continually maintained by the AI to ensure survival.
Optimistic Hiori can’t turn away anyone in need. Awkward Ruka can’t make friends, even when she tries. But they have one thing in common: they’re magical girls, Reflectors! Now this pair will use powers to help resolve emotional struggles and protect Fragments of people’s hearts.
Five years after a mystifying disaster decimates cities across the globe, Seria Morino receives an invitation to join Alice in Theater, a small stage troupe that takes it upon themselves to brighten the world through their performances.
Six years ago, the world “ended” in a single, apocalyptic event, trapping Great Britain behind a mysterious dome of purple energy. Whitechapel, London’s last neighborhood, has persevered thanks to the protection of the “FreakAngels” — a small group of psychically-powered twenty-three-year-olds. Their fragile peace becomes threatened, however, when an exiled friend returns, exposing past conspiracies and new conflicts within their fractured, makeshift family.
Hero was a high schooler living an ordinary life.
One day, he meets a very strong and intelligent mechanical arm named "Mecha-ude". After a strange turn of events, the "Mecha-ude" started living inside Hero's hoodie and the two's life full of trouble begins.
As the boy and his "Mecha-ude" fights together and strengthen their bonds, the two also meets new friends who also fights along with each of their own unique "Mecha-ude" partners.
Out of those, one of the heroine has two "Mecha-ude" which appears out of her skirt. An active girl with a totally opposite characteristics from hero himself, he gradually becomes attracted to her.
But the two are confronted with other "Mecha-ude" users who are in search of the secret of "Mecha-ude" relentlessly.
In a near future, mankind has moved from a drained Earth to the Moon. Rebel acts of terrorism lead to conflicts with the Earth Federal Government. A mysterious entity called Dallos appears to restore hope.
There is a world where fantastic beasts called "Spirals" are born from isolation. Those who can defeat the beasts are called "Periods." Haru is an apprentice Period who belongs to the Arc End 8th Branch. However, after a mysterious theft incident, there is an economic collapse, and the Arc End headquarters abandons the 8th Division, leaving only three Periods left, including Haru. Haru and the other two Periods start their work to rebuild the 8th Division.