The anime takes place in a world that long ago featured the existence of magic, but has long since lost that ability. The story begins when the very normal high school student Mangetsu Kohinata meets Shingetsu Ernesta Fukami, who has migrated back to Japan from Germany, on a night with a full moon.
The story takes place in Huanli (the Year of Dazzling) 3015. Donatia and Kouran, two countries fighting for supremacy, are causing the world to be torn apart due to the constant war. Amidst the strife is the island country Nil Kamui, which has lost its independence. Red Dragon, the guardian god of Nil Kamui, goes out of control. Will the island country be able to regain its independence?
The historical romantic comedy follows 17-year-old high schooler Sagara Yoshiharu who one day time-travels to the Sengoku period, where all the major Samurai lords are cute girls. Yoshiharu meets Oda Nobuna, the girl counterpart of Oda Nobunaga, and begins to serve her as a substitute of Kinoshita Toukichirou, who has been dead in the world.
Umika is a sweet yet shy high school girl. She has trouble speaking to others and dreams of having a friend from another planet. But her lonely school life takes a cosmic turn when she meets transfer student Yu, an alien with telepathic powers! The two become close and promise to go to space one day. So, they decide to build a rocket and shoot for the stars, making new friends along the way.
An evil organization invades and destroys everything in its path. The brains of the brutal operation is the king’s right-hand man, an evil lieutenant named Mira. Everything changes when a magical girl named Byakuya Mimori tries to stop the evil group in their tracks. When Mira confronts her, he knows it’s love at first sight. What will become of Mira and Byakuya, stuck between orders and love?
The Blue World, which symbolizes reason, is under constant attack by the creatures called the Nightfly O'Note originating from the Red World, symbolizing instinct. Akira Asagi, the 17-year-old protagonist who is a researcher at Blue World, is nominated to lead the war at Ryuukyuu LAG, a proud defense facility on the islands of Ishigaki and Iriomote. She meets the sixth combat unit "IS," which was formed four years after a fierce battle that annihilated the fifth unit. Akari must lead these six riders, also called the Scared Rider Xechs, to fight against the other world while at the same time deepening the relationship among them.
GA is a class that specializes in the arts at Ayanoi High School. Kisaragi, Nodamiki, Kyoju, Tomokane and Namiko are five students who learn about art.
In the town of Most City, a publishing house resides in the second story of an old building. The staff prints a monthly science magazine about the most shocking phenomena that even scientists find impossible. The handsome editor-in-chief, Taro, is assisted by grade-schooler Jiro and his dog, Saburo. But when scientist Goro Sato seeks their help, it sparks the beginning of a bizarre new tale...
Down-on-his-luck Robby Yarge is about to go from deep trouble to deep space! After a second encounter with Hatchi Kita ends with him on the run, Robby decides to make for Isekandar, a planet that promises happiness. But when he finds Hatchi stowed away on his ship, the two will make the journey across the stars together! Can these total opposites survive a trek through space?
Hakata Mentai! Pirikarako-chan is set in a mysterious shopping center in a town that is like but also not quite like Hakata. In this setting, a walleye pollack roe fairy named Pirikarako-chan rushes about every day trying to ease the worries and solve the rumors of the other food fairies.
The future’s looking bleak. It’s a good thing there’s a new sheriff in town. Her name is Jo and she’s an enigma even to herself. Alongside her partners Sei, Amy, and Meg, Jo fights for the citizens who can’t defend themselves. Confronting corruption and twisted science, these gals are on fire—and they’re the best chance the wounded city’s got.
Japan, 2019, just before the dawn of a new era. Suddenly, a rift to another dimension appears in the sky, revealing an alternative world "Shinkoku Nippon," with the sky and the earth upside down. This parallel world keeps the former militarism, with its era being Eternal Showa. The military invades the real Japan with giant humanoid robots called "GARANN" and their gas weapons "GENMU", rendering our modern weapons ineffective. "Shinkoku Nippon" instantly seizes the government and achieves de facto conquest of Japan. The new era, "Reiwa," has not arrived for Japan.
For high school students like Shouichi Kamita, university entrance exams and the future are common concerns. It is also during this time in life that a mysterious emotion that vexes people of all ages may begin to weigh upon one's mind—love.
At this point in his teenage years, Shouichi finds three girls he could see himself having a future with: the ever-cheerful Hikari Tsuneki, who teases Shouichi without mercy, but actually has a softer side; the competitive gamer, Tooru Miyamae, who has difficulty communicating with others; and Shouichi's childhood friend, Kyouko Touno, the sometimes immature shoujo manga enthusiast. Seiren follows Shouichi's relationships with these three girls across three separate arcs, as their feelings grow from mutual interest and blossom into something more beautiful.
The year is 1863 as the tumultuous samurai era is coming to an end, Japan is split between the pro-shogunate and anti-shogunate factions. The fate of the world is threatened as an army of historical revisionists are sent from the future to alter the course of history. In order to bring these forces down and protect the real history, two sword warriors, spirits who are swords brought to life by Saniwa (sage), rush to Edo. The polite and thoughtful Horikawa Kunihiro and the short tempered yet skillful Izuminokami Kanesada, who served the same master, confront the invading army along with a lively gang of other warriors including Mutsunokami Yoshiyuki, Yagen Toushirou, Tombokiri, and Tsurumaru Kuninaga.
As the fate of history lies in these hero's hands, what meets the blade is yet to be uncovered...
Kaoru is an office lady you can find anywhere, serious and works diligently, but her husband is a super otaku and more-or-less a NEET. She is caught up in one of her husband's whims one day or the subject of his concerns another, but the two are so close that it's embarrassing to even watch them!
The future, probably Japan. Robots have long been put into practical use, and androids have just come into use. Influenced by the Robot Ethics Committee, it's become common sense for people to treat androids like household appliances. Their appearance – indistinguishable from humans except for the ring over each android's head – has led some people to empathize unnecessarily with androids. Known as "android-holics", such people have become a social problem. Rikuo, a high school student, has been taught from childhood that androids are not to be viewed as humans, and has always used them as convenient tools. One day, Rikuo discovers some strange data in the behavior records of his family's household android, Sammy. Rikuo and his friend Masaki trace Sammy's movements, only to discover a mysterious café that features a house rule that "humans and robots are to be treated the same".
In 2030, Japan. A virus has infected humans throughout the world. Infected people turn into different forms of monsters based on their ages, sexes and races. The virus is named 'Gibia' - after being rich in variety like gibia. Just then, a pair of samurai and ninja appeared in such a blighted wasteland of Japan. They both traveled from the early Edo period, fighting together with help from a doctor who tries to find cure for Gibia. Facing ceaseless attacks from Gibias, and outlaws that attack travelers for food, they start the dangerous journey with enemies all around.
Yuichi hasn’t seen his cousin Nayuki in years. Now that he’s back, all knowledge of ever visiting has vanished. He tries to adjust to the vaguely familiar surroundings, but the gaps in his memory haunt him as time grows short. The pieces of the puzzle have appeared – an eerily silent beauty with blazing tresses, the mysterious girl with the winged backpack, and the sword-wielding demon slayer – but it’s up to Yuichi to discover how they fit together.