ワタシたちの番です

The mock wedding ceremony between a human and a Humagear challenged the notion of establishing themselves as a couple! However, Match goes berserk at the wedding and turns into a Magia, just when another Raider suddenly appears as well! Aruto transforms into the forbidden MetalCluster Hopper form to stop the fight, but he is unable to control his new form, and he also goes on a rampage! Gai Amatsu transforms into Kamen Rider Thouser to fight him, but as Zero-One and Thouser are fighting, the Humagear Enji Matsuda, who played the role of the pastor in the mock wedding ceremony, is suddenly taken over by the power of the Ark emerging from MetalCluster Hopper!

結婚相談ヒューマギア・縁結びマッチがその身をかけてカップル成立に挑んだ模擬結婚式。だが、その会場でマッチは暴走してマギアとなり、さらにレイダーまで現れてしまう。或人は禁断のメタルクラスタホッパーへと変身を遂げ、マギアとレイダーを止めようとするが、やはり制御がきかず暴れだしてしまう。その前に現れたのは、天津垓が変身する仮面ライダーサウザー。サウザーとメタルクラスタが戦闘を繰り広げる中、模擬結婚式の牧師役を演じていた俳優ヒューマギアの松田エンジが、メタルクラスタによるアークの力に囚われてしまい―――。