Kamen Rider

A spin-off featurette focusing on the character of Ryoma Sengoku (Kamen Rider Duke), released alongside Knuckle as part of the second double set of Kamen Rider Gaim Gaiden, a series of V-Cinema (direct-to-video) releases that each serve as a spin-off hosted by a supporting Kamen Rider from Kamen Rider Gaim.