Preparations are underway for the Honnouji Academy Cultural & Sports Grand Festival! The school is in a fervor as Ragyo Kiryuin will be attending, but what are her and Satsuki's real intentions for the event?

The ongoing battle presses towards Honnouji Academy, but Ragyo and the Original Life Fiber stand in the way. Ryuko and Satsuki set off to face them, leaving Nudist Beach's defense to... Mako?! Meanwhile, a crazed Nui continues working feverishly...