A mysterious girl has appeared who claims to be Mori Summer. She is very keen on fervent, little disciple, Dekomori. Nibutani is outraged that anyone should have the gall to steal her fake identity, but then decides to give up and use this precious opp...

Ryuko is awake and she’s not happy. Intent on killing Ragyo and Nui, she heads out, leaving her allies behind. Without her power, Nudist Beach must decide what their next step is, but a new piece of intel spurs them to action!