With Yachiyo in low spirits, Iroha and company leave her behind and head for the Memory Museum. Touka Satomi, a friend of Iroha’s sister, Ui, awaits them there to give them a lecture about the truth of Magical Girls. Yachiyo’s past memories give her a push, and she decides to go find Iroha. However, at that very moment Iroha is already in the midst of a "vicarious practical learning" course prepared by the Magius.
We call the change that happened
to Mifuyu Azusa a "Doppel."
Al cambio que sufrió Mifuyu Azusa
lo llamamos Doppel.
Al cambio que sufrió Mifuyu Azusa
lo llamamos Doppel.
Nous appelons « Doppel » la transformation
subie par Mifuyu Azusa.
Chiamiamo "Doppel" 
il fenomeno accaduto a Mifuyu Azusa.
Nós chamamos de "Doppel" a transformação
que aconteceu com a Azusa Mifuyu.