An ancient race of monsters who can assume human form called the Grongi begin to murder humans in Tokyo after being awakened. The only one who can match their power is a young adventurer named Godai Y...more

An ancient race of monsters who can assume human form called the Grongi begin to murder humans in Tokyo after being awakened. The only one who can match their power is a young adventurer named Godai Yuusuke, who gains the power of Kuuga after its previous bearer passes its power to him.