ZAIA Enterprise CEO Leon Arkland has abducted Jin away from Metsuboujinrai.net. A large number of soldier-model Huma Gears "Sold" were seen by Naki and Ikazuchi while rescuing Jin. The intention of Leon Arkland was to mass-produce "Sold" and sell them as weapons all over the world. Jin is indignant at the fact that Humagears are about to be used as a weapon, and tells the other members of Metsuboujinrai.net that he wants to free the "Solds". Four people who transform into Kamen Riders will fight to release the "Solds". However, something unexpected happened... What happened to Jin, while he was captured by Leon? According to Leon's plan, the being that poses the "greatest threat" to humankind is about to be born in a surprising way...
There are men in this world who seem to have been born to be a villain. His upbringing, his sexuality, everything about him was suited to being in the criminal world. However, he also had a loving wife and children. This is the story of a man who throws himself into a deadly struggle on the front lines of a huge violent war, while at the same time seeking the happiness of his family as a good husband and father.
Chronichles the story of the Forty-seven Ronin.
A former yakuza returns to gangster life after an old enemy threatens his son.