: To protect the school's secret, anyone else who learns the seventh witch's name has their memories of witches erased .
: Miyamura takes Yamada to meet his sister, Leona Miyamura , who has been living in hiding to escape the seventh witch's power . Yamada-kun to 7-nin no Majo (TV) (Dub) Episode 10
: Because Yamada is a "Witch Killer" with copy abilities and immunity, the power backfires . Instead of Yamada losing his memories, everyone else at school forgets him and their experiences with the Supernatural Studies Club . : To protect the school's secret, anyone else
In episode 10 of Yamada-kun and the Seven Witches , titled "," the stakes reach a series high as Yamada discovers the final witch's identity and faces a devastating personal cost . Key Plot Points : To protect the school's secret