Neither of the discs (disc 1 and special disc) from this new release will open, giving "volume key is unknown" errors. I've already emailed the dump files. The full title of the set is 2.5次元ダンスライブ「ツキウタ。」ステージ 第15幕「SCHOOL REVOLUTION 月野学園物語 -百年アオハル-」
Here are the dump files:
https://drive.google.com/file/d/1zQT0aM ... drive_link
https://drive.google.com/file/d/1A6tID9 ... drive_link
Thanks!