This special takes place before episode 42 of the Kamen Rider Build TV series Misora who has gotten irritated with Gentokus Fashion Sense takes him out for shopping to buy new clothes Over there ...

Ace, Houtaro, and their allies participate in a new edition of the Desire Grand Prix kickstarted by the rogue Chemy X Wizard ... This is the 14th entry of the Kamen Rider winter crossover movies ...