The 2nd year S4 member Yuzu Nikaidō, is to compete in a dance competition at Japan's highest level. Yuzu safely qualifies, but she is no where to be found before the final round. Yume and the dance executives, look for her around the venue. Where has Yuzu, the idol who is always too free, gone too--!?
Ｓ４ゆいいつの２年生・二階堂ゆずが、国内さいこうほうのダンス大会に出場するという。ぶじよせんをつうかしたゆずだったが、決勝せんの直前、行方知れずになってしまう。会場をさがしまわる、ゆめや舞組かんぶたち。自由すぎるアイドル・ゆずの行方は、一体どこ――！？
