Modern-day middle school girl Hideyoshi is mysteriously hurled into a world resembling the warring states period of Japanese history, only this time it's inhabited only by women. This world's Oda Nobunaga is gathering the legendary Crimson Armor so she can rule the world, and for some reason needs Hideyoshi's help to do it.
Alka is an assassin for the Clan of the Sword. She's on a journey to find the woman Jin Valel, who killed her master Hon. Jin is demon-like woman who controls the Energy of Chaos and kills without feeling - not unlike how Alka has learned to kill in her work as an assassin. On her journey, Alka encounters three strange women, each great warriors in their own right, and grapples with her slain master's wish that she leave the life of an assassin behind.
In a world rife with deadly creatures called "youma", a young silver eyed woman, Clare, works on behalf of an organisation that trains female youma halfbreeds into warriors with the ability to destroy these creatures. Considered a rogue for picking up a stray child & almost losing herself to her youma side by "Awakening", she is constantly assigned rather dangerous missions...
Set in a slightly futuristic world where Earth has been invaded and is at war with aliens from another dimension called the Nova, the story follows the adventures of a Japanese boy named Kazuya Aoi who enrolls for training at a special school for genetically modified girls called Pandoras who battle the aliens, and their male partners, called Limiters, who use a special power called "freezing" to limit their opponent's mobility. The protagonist makes the acquaintance of an unusual older girl named Bridgette L. Satellizer who appears to be the most powerful Pandora in her class, but has not yet chosen a male partner to be her Limiter, and in spite of the warnings of all his friends, he decides to be her Limiter.
Infinite Stratos (IS), a weaponized exoskeleton system, has become the dominant tool of warfare and conflict. Unfortunately for the men in society, only women are able to operate Infinite Stratos…with very few exceptions. One of those exceptions is Ichika Orimura, an orphan raised by his older sister, who is herself a famous IS pilot. When his compatibility with Infinite Stratos is discovered after he accidentally touches one at the age of 15, he is given a scholarship and enrolled in a school that specializes in training IS pilots. Which means an interesting life surrounded by girls for this shy, unassuming boy.
In the city of Gainos, Reina the vagrant warrior enters the competition of Queen's Blade to decide the new queen of the continent, but there are a number of obstacles in her way, each with their own reason for fighting.
Annelotte, a wandering knight, quickly become involved in an insurrection against the increasingly corrupt nobility and fanatical Church, as she and her growing band of fellow warriors fight to bring about justice and set right what has gone wrong.
In four years' time the competition that will decide who the next Queen shall be will start. The strongest warrior will continue to rule the country according to tradition and expand it. The contestants need only be older than 12 years. They need not be human, intelligent or even of that country. The rules for the tournament are simple: murder is allowed. Any weapon can be chosen. The winner is decided when one of the participants flees or can't move anymore. The event is broadcast by the court's magic teacher through a crystal sphere to the whole population to see and enjoy.
Ordinary high schooler Yoshiharu gets pulled into a time slip to the warring states period. There he meets Nobuna Oda - not Nobunaga, Nobuna. In this world, all the famous warlords of the era are female. Nobuna recruits Sagara, who she dubs "Monkey," to help her in her quest to rule the world.