A world similar to ours is about to change forever, as well as the life of Kosuke, a young teenager with the ability to control and create fire. Upon arriving to school one day, the robots from a particular tech company begin to turn on humanity, and then demons emerge from portals, as if things couldn't get any worse. Kosuke escapes with his best friend Shingo and his class rival Kanako, the three of them take it upon themselves to find their missing family members and reclaim their city from the demons.