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.
Beg all you like, but I can't 
tell you something I don't know.
Da kannst noch so sehr betteln.
Aunque me ruegues, no puedo 
darte respuestas que no tengo.
Aunque me lo ruegues, no puedo 
darte respuestas que no tengo.
Supplicami quanto ti pare, 
non posso comunque dirti qualcosa che non so.
Pode implorar, mas eu não 
posso te falar algo que não sei.
Хоть умоляй, хоть плач,
но чего не знаю, того не знаю.