Episode 11 - We Don't all Have to Dance. I can Dance by Myself.
Air Date: Jun 15, 2014
The mysterious girl is idol Serika Ginyuuin. During her concert Souta's powers increase and time freezes. No. 0 tells Souta he must leave or the world will be destroyed. Souta erases Quest Dorm's memories of him, but Nanami is unaffected and remembers.