The Kitchen Ichinose Alliance is formed, and Houtarou and his friends are in high spirits. However, Rinne is the only one who cannot survive the excitement. Is her current behavior really the right thing to do for someone who should have cherished the ``rules''? As she worries about this, Minato appears before her. "Kudou, please come back to the academy." As an alchemist, that must be the right thing to do, right? Rinne is shaken by a question from her former "teacher." What is right for me? Meanwhile, Atropos, accompanied by the ferocious Malgam, suddenly attacks. He thrusts that blade at the troubled Rinne! "Rinne-chan, will you die today?" What does the girl see in that little devil? Now, the power sleeping inside Rinne is awakened! Transform! Kamen Rider Majed! !