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.
but the other club member researching with me
aber das andere Mitglied des Clubs,
das mit mir der Sache nachging,
pero el otro miembro 
del club que investigaba conmigo
pero el otro miembro del 
club que investigaba conmigo
mais l’ami avec qui
j’effectuais ces recherches
ma l'altra ragazza del club
 che faceva ricerche insieme a me
mas o outro membro do 
clube pesquisando comigo
но другой человек, который
занимался со мной исследованиями,