Ryuko’s battle against the Elite Four takes to the skies! Meanwhile, more spectators converge on Honnouji Academy. But who is the mysterious girl strolling through town and what secrets does she hold?

Satsuki Kiryuin joins the front line of Osaka to battle Kaneo Takarada, the heir to the Takarada Conglomerate. Using the influence of money, Takarada rallies the locals to fight, but Satsuki is suspicious there is another power behind the city's defense.

The Honnouji Academy Cultural & Sports Grand Festival comes to an abrupt and very unexpected conclusion! Battle lines are drawn and Ryuko must decide who is friend and who is foe. But will she have the power to resist the power of the Life Fiber?