: 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 .
: Yamada is left as the only one who remembers his deep bond with Urara Shiraishi , while she now views him as a complete stranger . Character Guide & New Faces
: Miyamura takes Yamada to meet his sister, Leona Miyamura , who has been living in hiding to escape the seventh witch's power .
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