WELCOME TO EVOLUTION ONLINE, SEASON FIVE. YOU HAVE BEEN SELECTED TO PARTICIPATE IN THIS YEAR’S EVENT.”

The strange message appears over Kugisaki Akito’s computer screen, and the only way he can make it disappear is by registering for the mysterious game Just as he forgets about it, the game begins, and he finds himself fighting for his life in a video game world where all the players have been gifted with a class and special ability. But a glitch in the system leaves Akito without a class, and now he must learn to survive using a unique ability that can either grant him immense power…or leave him completely defenseless.