Power users around the world are suddenly committing suicide one after another, in all cases after a strange fog appears at the scene. At a request from Ango Sakaguchi, the Armed Detective Agency head out to investigate Tatsuhiko Shibusawa, a power user who calls himself "collector," and a man suspected of being tied to the incident.

Many believe Bigfoot doesn't exist, but to those who have seen it, there is no question - Bigfoot is real. Encounters with this elusive and strange creature have changed the lives of those who experience its presence, but it has been linked to the death of farm animals, pets and even the disappearance of people. There is definitely a living, breathing creature lurking in the backwoods and swamps of North America but to find any elusive animal you have to know what to look for, as well as knowing its behavior in order to hunt it.

The Academy City on the water, Rikka (also known as Asterisk) is the world's largest stage for the integrated battle entertainment, "Star Wars Festival." The young boys and girls of the "Starpulse Generation" belonging to the six academies made their wishes with Shining Armaments in their hands, vying for supremacy-Amagiri Ayato is one of them.