One day Tokyo got haunted by demons, no one know where they came from, they massacre every human in the city, everyone try to defeat them but everyone died, only one person, Kaiko a high school student demon hunter, she have the power to change into demon and absorb all there powers, her personality is very mysterious such no one in her class know about her real identity and where her power came from.

She can destroy and freeze anything with her eyes, she have the power to control demons and became her puppet.

Can kaiko destroy all the demons and save TOKYO...