Honnouji Academy is mobilizing for the Tri-City Schools Raid Trip! But after her recent rampage, Ryuko is moping in bed, unwilling to fight. However, Shinjiro Nagita, formerly with the Newspaper Club, is determined to get her back into uniform!

The Tri-City Schools Raid Trip has commenced! The three-pronged attack on the Kansai region is off to an interesting start, with some unusual defenses to overcome. But what part will Ryuko be able to play, with Senketsu in the hands of the enemy?

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?