仮面ライダークウガ, Kamen Rider Agito, Kamen Rider ΑGITΩ, Masked Rider Agito, Masked Rider Kuuga, มาสค์ไรเดอร์คูกะ

A series of fiery murders rocks Tokyo, prompting detective Kaoru Ichijo to investigate. Meanwhile, researchers in Nagano discover an ancient casket, awakening the ancient evil that dwells within, just as young student Yusuke Godai returns to Japan, unaware that he’s the final piece of the puzzle that will see the return of the enigmatic spirit Kuuga!