Kamen Rider Kuuga. After being awoken, an ancient race of monsters who can assume human form called the
"Grongi" start to kill people in Tokyo. The only one who can match their power is Godai Yuusuke, a young adventurer who gains Kuuga's power after receiving the power from its previous bearer.
A brand new retelling of events from the Tokusatsu Dramas Masked Rider Kuuga and Masked Rider Agito.