Hiromichi Tezuka

An academy on an island in unnavigable waters. There, students trained tirelessly, to fight back against the enemies of humanity. The protagonist, a student newly transferred there, also sets out with the intention of eradicating all enemies of humankind. An unpredictable, intellectual suspense story of justice and evil.

During the construction of the Kurobe Dam, an ancient artifact was discovered, and so the United Nations Kurobe Research Institute was established. Intellectuals from all over the world gathered to study the object, and the children of those researchers attend Mt. Tate International Senior High School, including the institute head's daughter, Yukina Shirahane. In the summer of 2016, a lone samurai once again awakens.

The series is about an extreme form of sport known as "Stride." It involves 6 players on a team that runs relay races in towns. The story takes place at Honan Academy where first year high school students Takeru Fujiwara and Nana Sakurai try to recruit members for their "Stride" club. They request Riku Yagami to join with the help of Takeru and Nana. Their goal is to compete and win the "End of Summer," a top competition hosted in Japan alongside other schools.

In the year 2021, mankind was defeated by Gastrea, a parasitical virus, and is forced to live within a wall made of Varanium Monoliths, a metal that is able to subdue Gastrea. Soon, the "Cursed Children", children born with the Gastrea virus who are able to control it-which gives them superhuman abilities-were discovered. Due to the Gastrea virus' intervention, the Cursed Children could only be female. Civil Securities are formed to specialize in fighting against Gastrea, operating with the pair of an Initiator, who are cursed children, and a Promoter, serving to lead the cursed children. Ten years after the war, Rentarō Satomi, a high school student who is also a Promoter in his childhood friend Kisara Tendō's Tendō Civil Security, along with his Initator Enju Aihara, receives a secret mission to prevent the Tokyo Area's destruction.