The Supernatural Studies Club meets Miyamura's sister, Leona, in their search for the seventh witch. She has dropped out of school in order to escape from that witch's power to erase memories. The instant one learns her name, all of their memories related to witches will be erased.
Basically, the future can 
definitely change if I tell you.
Wenn ich es dir erzähle,
kannst du die Zukunft also ändern.
Es decir, podrás cambiar el 
futuro si te hablo de ella.
Es decir, podrás cambiar el 
futuro si te hablo de ella.
Si je te le dis,
tu pourras changer le futur.
In parole povere, il futuro cambierebbe
di sicuro se ve lo rivelassi.
Em outras palavras, o futuro 
pode ser mudado se eu te contar.
То есть будущее можно изменить,
если я расскажу вам это.