Researchers involved in the research organization code-named "Mattamore" are frightened to death by the never-ending nightmare they are living in. Bai Xi, a university graduate who is ordinary yet unusual, and Han Zhuo, a mysterious and powerful esper who is near-omnipotent, set out with a group of steadfast friends on a spectacular path to salvation - those dark corners where the sun never reaches, always need a person to shed a tear to light the way.

Several months after a probe returning from Mars burns up during reentry, strange creatures dubbed "Ancients" begin to appear throughout Tokyo. Aggressive and dangerous, they cannot be killed with ordinary weapons. As scientists struggle to find the cause of their sudden appearance, the monsters wreak havoc across the world. Humanity finds hope in the form of the MARS suit—a new weapon developed to take down these enemies. The suit, however, can only be worn by those with specific DNA. Enter Takeru Hinata, an ordinary teen with a troubled past and one of the few capable of piloting the only weapon against the Ancients. With the help of the AAST, a special police force established to defeat the dangerous creatures, the young man battles against demons both personal and global whilst trying to discover the true nature of Earth's new aggressors.

Legends speak of a Dark Tower with a race of dragons that awaits the command to arise and wreak havoc. At least Kyle used to believe they were only legends until his lady, Alita, is stolen by the Black Dragon! Now Kyle must form an alliance with Blau, a blue dragon, in order to rescue her before she becomes the catalyst for the Dark Tower's final program: the complete destruction of the world!

Set in modern-day Tokyo where dreams and desires are afloat, a group of ninjas called "Toukeshuu" is set to stop the spread of "darkness" that prevails in the world using ancient techniques passed down through generations. (Source: MAL News)