The Showa period was ending and the era was about to change to the Heisei period. Newlyweds Chikage and Ryuhei argued over trivial matters, but at night they made up for it with sex.
As Kouta flees, past Riders gather and fight one another, split between the Showa and Heisei era Riders. But, the truth of Badan is not as it seems… ...