Sirens awaken the No-Star students for the start of “No-Late Day,” where being tardy will get you expelled from Honnouji Academy. With Senketsu in the wash, Ryuko must fight on her own to get through the Discipline Committee’s traps and arrive on time.

Overwhelmed by recent events, Ryuko demands answers from her homeroom teacher, Aikuro Mikisugi. Meanwhile, Uzu Sanageyama, Honnouji Academy’s Athletic Committee Chair and on the Elite Four, makes a request of his own… to challenge Ryuko to a duel!

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?