ベストマッチ2017

ソウゴに襲いかかる未来人ゲイツ。 同じく未来から来たという少女ツクヨミが、また助けてくれる。ソウゴにとっては、一体何が何だか。 　 ウォズと名乗るあやしい予言者も、ソウゴにつきまとう。 怪人、アナザービルド。倒すキーワードは「仮面ライダービルド」 戦兎たちに会おうと、Nasitaに向かったソウゴが見たものは・・・？

Sougo is attacked by a Kamen Rider from the future, Geiz Myokoin, but is saved by a girl from the same future Tsukuyomi, who wishes to help him out. With no clear idea of what is going on, his confusions are further pushed with frequent visits from the mysterious prophet named Woz. Meanwhile Another Build is wreaking havoc, and Sougo discovers that the key to defeating this "Kamen Rider Build" is to meet Sento Kiryu.