It's the third year of middle school. Kotarou, a bookish boy aspiring to become a novelist, and Akane, a track girl who loves to run, meet in the same class together for the first time. They're put in charge of the equipment for the sports festival, and slowly grow closer via LINE. How does Kotarou deal with his growing feelings for her?
Meanwhile, Takumi has been in love with Akane since first year, and Akane's friend, Chinatsu, becomes interested in Kotarou.
A group of young girls possesses a mysterious power which gives them the ability to materialize their thoughts. Detained and experimented upon, these youths are locked away in secret until one of them manages to escape. Her name is Sana — a girl with the power to ignore the very laws of physics. When this wilful powerhouse crosses paths with a stubborn old man named Zouroku, his carefully-ordered life will never be the same again!
Shindou Koujirou is a highly-skilled negotiator working for the Ministry of Foreign Affairs. As his plane at Haneda airport prepares to take off, a huge mysterious cube appears from the sky. "It" expands rapidly, and absorbs the passenger plane and its 252 passengers.
The cube's name is "Kado".
A strange being called Yaha-kui Zashunina appears from within Kado and tries to make contact with humanity. Shindou, who was been absorbed by Kado, ends up taking on the role of mediator between Yaha-kui zaShunina and humanity. The Japanese government sends its own negotiator, Tsukai Saraka. Who is Yaha-kui zaShunina? What does he want?
500 years have passed since the human race went extinct at the hands of invading beasts. The surviving races escaped into the floating islands in the sky, out of reach of the vicious monsters.
In such a setting, warrior Willem wakes up from a long, cursed slumber and finds himself to be the only human alive. He adapts to his new life and settles into a routine of odd jobs.
One day, he accepts a job offer to become an Enchanted Weapons Technician, but little does he know, these 'weapons' are actually a young group of girls from the Leprechaun race. As the only race compatible with the ancient weapons of the human race, the Leprechauns are utilized to secretly fight against the beasts who have made it into the sky. Willem becomes the caretaker of these girls and foster a familial connection. Now, Willem suddenly finds himself in a position which he was never in before as a warrior. He struggles with himself as he painfully and helplessly waits for his loved ones to come home from battle.
Takehara Akiyuki, lives on Sentan Island, a land that has preserved its status as a free and peaceful island in a world consumed by fighting between the Northern and Southern Governments. All of this changes when Akiyuki boards a bus along with a mysterious white-haired girl who transforms his arm with the lost memories and power of Xam'd.
As Xam'd, Akiyuki goes on a rampage and is saved when a foreign girl with red hair named Nakiami calms him down, taking him back to her postal vessel. Akiyuki now must gain control of his powers and use them against the Northern Government's latest weapons, known as Humanforms. Travelling the world on a postal vessel, Akiyuki hopes to return home one day, but until then he befriends other passengers on the boat.
In the prosperous kingdom of Pars lies the Royal Capital of Ecbatana, a city of splendor and wonder, ruled by the undefeated and fearsome King Andragoras. Arslan is the young and curious prince of Pars who, despite his best efforts, doesn't seem to have what it takes to be a proper king like his father.
At the age of 14, Arslan goes to his first battle and loses everything as the blood-soaked mist of war gives way to scorching flames, bringing him to face the demise of his once glorious kingdom. However, it is Arslan's destiny to be a ruler, and despite the trials that face him, he must now embark on a journey to reclaim his fallen kingdom.
The Alzano Imperial Magic Academy is located in the southern part of the Alzano Empire,and is among most prominent magic schools in the world, where students can learn the highest forms of magic. All those who strive to learn magic dream of studying at this academy, and its students as well as its teachers are proud to be a part of its 400-year history. Glenn Radars is a new instructor who has suddenly been appointed to teach part-time at this highly respected academy. The previously unheard-of lessons of this man known as a good-for-nothing bastard are about to begin.
Kimimaro, raised by his maternal grandmother after the disappearance of his father and the death of his mother, is a scholarship student whose only dream is to live a stable and normal life. One day he is visited by a peculiar man who forcefully offers him a large sum of money with the collateral being his future. Doubting at first, he decides to use the money, causing him to be immediately taken into a mysterious area known as The Financial District.
A ruthless arms dealer on a quixotic quest for world peace. A child soldier born into chaotic conflict. Their lives will intertwine as they journey together through the seedy underbelly of the world's arms market.
Koko Hekmatyar, a young arms dealer sells weapons under HCLI, a shipping corporation. As one of the company's unofficial weapon sellers, she secretly sells weapons in many countries while avoiding the local authorities and law enforcements as most of her work is actually illegal under international law. Travelling with her is her team of bodyguards who are mostly composed of ex-military veterans. Her latest addition to the crew is Jonah, a seemingly emotionless child soldier who is skilled in combat yet ironically hates arms dealers. Jonah joins Koko as he wishes to find the arms dealer responsible for his family's death. What follows is Koko and her crews escapades around the world.
During the late 1960s, in the town of Sasebo in Nagasaki Prefecture...
In the early summer of 1966, Kaoru transfers to the local high school from Yokosuka. Thanks to his family's nearly constant cycle of moving from town to town, Kaoru has only known school as a difficult place for readjusting every time. However, on his first day at this new school, he meets Sentarou and takes a new direction in life.
Nanase Takeshi is an ordinary high school boy who has a somewhat dark past. Due to certain circumstances, he formed a fake couple with his childhood friend Isoshima Kurumi, but otherwise, he lives a normal life.
However, one day, he comes across a girl named Aiba Mui, in a uniform he has never seen before, collapsed on the school campus. This encounter changes Takeshi's destiny completely. Mui tells Takeshi that she is a magician, and she apologizes, for she turned Takeshi into a magician, too. What Takeshi once knew as one world is actually two — the world where magicians live and the world where humans live.
The new side story is set in a.t.b.2017. A Knightmare unit made of boys and girls from Zone Eleven are thrown into a military operation with a 5% chance of survival. They must rescue an allied unit left behind on the European warfront.
