1939, the Imperialist Nation of Germania launched a sudden attack of its neighbouring countries. This attack engulfed all of Europe in one fell swoop, and the era was dragged into a maelstrom of war. A year later, Germania set its eyes on Elystadt, a very small principality that was blessed with breathtaking scenery and natural water from the Alps. Izetta is a descendant of a clan of witches that have passed down mysterious powers for generations. Since she was little, she and her grandmother moved from town to town, city to city to hide their powers from others. Fiine is the sole daughter in line to succeed Rudolph III, the ruler of the Principality of Elystadt. Since her father had been stricken with illness, she has been busy preparing for Germainia's eminent invasion.
Mochizuki General Hospital has some of the most well trained staff in town; though these nurses spend most of the day caring for the sick and wounded, their after-hours are quite different. In their after hours they fight a very different disease. Under the leadership of the hospital chairman, a handful of staff members and couple of local teenagers form a group of mercenary assassins, targetting the "cancers" of society and excising those individuals before their wicked cancer spreads.
Gabriel White just graduated at the top of her class at angel school and now attends a human school on Earth to obtain more knowledge. She finds herself becoming engrossed in a online game and decides that everything else is just to much trouble. She is also accompanied by another angel and two demons who also seek knowledge.
Humanity has been at war with the Unknown for decades now. In the beginning when the Unknown initially attacked, children were put into a "cold sleep" facility so that they would be safe from the Unknown. Decades later, some of the children were woken up and much to everyone's surprise they have superpowers that were named the "World". It is believed that whatever the children dreamed about while in "cold sleep" helped manifest their powers. The stronger the emotions that were tied to the dream the stronger the power they had when they woke up. These kids now help protect Japan from the Unknowns that appear from the Tokyo Bay, these kids would defend the strongholds of Tokyo, Kanagawa and Chiba.
Three months ago, Hayate was abandoned by his parents and was forced to work at the Sansenin Manor as a butler to pay off his parents enormous debt. Although being a butler for the elite rich can have its rewards, Hayate soon finds that every day is a challenge, and the challenges always seem to become ever increasingly difficult. Nagi Sanzenin is the otaku-crazed lady of the house and has near impossible demands, not to mention her friends and even her enemies. Not challenging enough? Well Student Council President Hinagiku Katsura suddenly begins to realize that she may have deeper feelings for the debt ridden butler than she thought.
Humanity is endangered once again. This time by creatures called the "bugged ones" who find human hosts to control. Once the bugged ones control a body, they give the body super speed and strength. They only have one weakness, our air. The air that we breath is very toxic to them. When Tamotsu Denkigai encounters one, he was brought to the brink of death, but was saved at the very last second by a girl named Matome Mayonaka.
A little over 10 years ago in Rimguard, a horrific incident left an unsolved mystery that had just now began to fade from peoples memories. As time passed, the sisters Yui and Rena are living peacefully in the Enastria Empire. Unfortunately that tranquillity was soon interrupted by a large mecha that appeared out of nowhere and starts attacking Enastria.
Mamori speaks softly and looks younger than her age of sixteen. She hates violence, but when seeing someone get hurt she is quick to react; even if that same person had hurt her. She stands up for what she believes in no matter the risk. When she met Mirei, her Liberator, she found she possessed the power to transform her body into a weapon.
Lady J has a very laid back personality. She is often quick to give you a smile in most situations, only when the situation is extreme is when she will become more serious. She is a hybrid Liberator and Extar, and her partner is Rain Hasumi. She is able to turn into a motorbike in her arm form.
Almost 60 years ago a strange plague of insomnia spread across the population, forcing almost everyone to stay awake for over a week. These victims, albeit extremely sleep deprived, went completely mad. To cure this illness, a hastily made medication was quickly introduced to the populous. Prolonged use of this medication had some real nasty side effects including bloodlust and vampirism. Humanity waged war against these new monsters and became victorious! Some of the monstrous vampires did however manage to survive. Born from a human and a vampire, Mi Liu is the leader of a bank heist that went terribly wrong. He and his gang were arrested and transferred to a special prison of the National Defence Agency that monitors Vampires. Trying to break free and save his companions, he is attacked by strange monsters and he also discovers that this "prison" corresponds to the birthplace of the Vampires, the old capital "Blue Town."
Anaslivan Dragon Academy is where young students go to learn how to co-exist and even battle with their dragons. Ash is one of those students, he is the only one that can ride any dragon, but has of yet been unable to summon his own. He does however possess the "star mark" that allows him to form a bond with his dragon, albeit it hasn't appeared yet. Through a slight miss-direct he stumbles upon a long ago crashed airship, and even worse someone with an intent to kill him for being discovered!
Nobody knows when or how "The Gate" was created. That being said nobody can actually access it either. In the not so distant past when "The Gate" was opened, it shattered and combined three realms. The realms of mortals, fairies and daemons collided, completely destroying world order and balance. The leaders of the three realms desperately try to restore peace and order, but some very talented mortals have begun to approach the gate, now known as "The Divine Gate." These three souls have deep wishes that yearn to be fulfilled and that is why they are heading to "The Divine Gate", so that they can have their happiness returned to them.
Yuichiro was reunited with Mikaela at the Shinjuku Battle, but to Yu's surprise Mikaela was turned into a vampire. To save the "family", and to protect his comrades, Yu needs to train and gain power. He is even trying to search for ways to bring vampires back to humans as well as training hard to obtain the most out of his cursed gear. While this is going on Kureto calls Guren and tells him a disturbing truth that the main unit of the vampire army will be attacking Tokyo.
An unknown virus wiped out most of mankind all that was left were children thirteen years old and younger. Vampires appeared out of nowhere and began ruling over the surviving children, turning them into livestock. Yuichiro Hyakuya survived along with other orphans by being forced to give their blood to the vampires. Yuichiro has a burning, almost unchecked hatred for the vampires, for what they've done and what they continually do to him and his friends. Yuichiro was able to escape and learned that what he knew about the world was completely false.
There are girls with special magical powers named Witches. These Witches are the only ones who can confront the Neuroi, an alien enemy of mankind that suddenly appeared in Europe in the 1930's. The Neuroi are very difficult to destroy with conventional weapons. In 1944, the Neuroi nest was above the republic of Gallia and was eradicated thanks to the Witches. Peace was restored in western Europe had been ensured. The allied forces began planning in earnest for an oppositional plan towards the central and eastern Europe. An order to scramble is given to the 502nd Joint Fighter Wing "Brave Witches" whose base is in Peterburg that is within the Russian Empire.
This paranormal story follows nine peculiar individuals who are linked by the "Chōjō Kagaku Kirikiri Basara" occult summary blog that is run by a seventeen year old second-year high-school student named Yūta Gamon. There are small incongruities that happen around these nine that eventually lead to a much grander, more unimaginable event that just might shatter the very thin fabric of sanity that they have left.
Shimazu Toyohisa is a samurai who had fought in the Battle of Sekigahara. He was horribly wounded and in his last moments of life was transported to a world full of magic and magical creatures. He along with a few others were pulled from their own world to help fight an upcoming war that would end everything around them.
In this world there are both men and monsters. There are those who hunt monsters and are called Hunters; but in a very small corner of the world there are those called Riders who form a bond with and even coexist with the monsters. With their Bonding Stones (Kizuna Ishi) the young riders in training hatch monster eggs and form a bond with the hatchling via the Bonding Stone. The Bonding Stone also awakens hidden powers within the monsters, which the Riders are able to use in crucial moments.
Sakuya is introduced as Chihaya's butler, but is infact someone who takes care of her like a guardian or and older brother would. He is usually at odds with Kotarou and often makes fun of him, calling him different demeaning names everytime. He takes pleasure in doing things for others, well except for Kotarou; including the small things.
Chihaya is a transfer student in Kotarou's class. He meets her when she falls off of an elevated path and lands on a tree, thus getting stuck. Her most noticeable traits are her super human strength and her complete air-headedness.
Shizuru once lived in a run-down neighbourhood with her mother and father, though they were poor, they were a happy family. One day when they were returning home from dinner, their house exploded before them. They were mostly unharmed thanks to her dad shielding them with his body. When Shizuru regained consciousness her right eye began to hurt, she covered it with her hand then once it stopped she crawled to her parents. The explosion and extreme stress triggered her dormant healing powers and she healed her eye and her parents.