Kamen Rider Build is a Japanese tokusatsu drama in the long-running Kamen Rider Series. It follows the story of genius physicist Sento Kiryu, who transforms into Kamen Rider Build to fight against the evil organization Faust and uncover the mysteries behind the Pandora Box. The series explores themes of identity, memory, and justice, and features a variety of Rider forms and unique science-based powers. It originally aired from 2017 to 2018.