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.
"It will take at most twenty-four 
hours for the spell to take effect."
Der Zauber wird in maximal
24 Stunden wirken.
Como máximo, el hechizo tardará unas 
veinticuatro horas en surtir efecto.
Como mucho, el hechizo tardará unas 
veinticuatro horas en surtir efecto.
« Les effets peuvent mettre 24 h
à se manifester. »
L'incantesimo farà effetto entro un massimo di 24 ore.
Demorará no máximo 24 horas
 para o feitiço fazer efeito.
«Заклинание вступит в силу через
двадцать четыре часа».