Koto unknowingly seals away the Sun Goddess Amaterasu, and now she is in a different world and can't return. Meeting priestesses who combat the evil in this strange place she learns that Black Towers throughout the land keep Amaterasu sealed away and are guarded by evil monsters. Koto must now find a way to help defeat these monsters and return the world to the way it was. (Source: ANN)

Ryuuichi Kaizu, intelligent, ambitious, and dedicated, but at the same time cunning and immoral young student receives present from girl Emi Naito, who comes from wealthy family. Realizing that being in relationship with her can help him reach his goals, he decides to make her his, without her even being aware she is just another woman he is using.

To succeed to his father, Lid Kail sets out a journey to defeat the incarnation of the evil that seems to dominate the world. Longn and Mimau also began to journey to achieve his father’s will. On their way, Key and Bagda join them. They overcome some difficulties, and finally they met Vaii, the evil. They managed to beat Vaii, but it still doesn't solve their problem...

It can be rough transferring to a new school—even more so if you don't want to make any friends, like Nobuaki Kanazawa. But the reason for his antisocial behavior soon becomes clear when his class receives a text from someone called "The King." Included are instructions for the "King's Game," and all class members must participate. Those who refuse to play, quit halfway, or don't follow an order in the allotted time of 24 hours will receive a deadly punishment.

Having played the game before and watched as those around him died, Nobuaki tries to warn his clueless classmates. Unfortunately, they only believe him after the King's Game claims its first casualties. Stuck in a horrific situation with no chance of escape, Nobuaki has a choice: put his own survival above those around him, or do what he couldn't before and save his classmates.

[Written by MAL Rewrite]