When a young huntsman: Adrien Ross who was cheated by Team RWBY back then, later he went on the mission to destroy all Grimm and died. Now his little brother: Andy Ross needs to find the true hero to help to bring justice & peace. He found an ancient temple where an Dromaeosaurid Decadian Kaiju lives and he awaken him to fight against fake heroes & villains, many people called him many names....but they called this Anti-Hero known as................................DECADUS the Raptorian Decade who can change into different DaiKaiju Heroes who can challenge him. He will bring peace & honor for Humans & Faunus. RWBY owned by Rooster Teeth Kamen Rider Decade owned by Toei Company Ltd.
13 parts