: 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
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 Yamada-kun to 7-nin no Majo (TV) (Dub) Episode 10
: Yamada learns that the seventh witch is Rika Saionji . However, there is an "iron-clad law" stating that only the Student Council President is allowed to know the names of all seven witches . : Yamada is left as the only one
: Miyamura takes Yamada to meet his sister, Leona Miyamura , who has been living in hiding to escape the seventh witch's power . However, there is an "iron-clad law" stating that
: To protect the school's secret, anyone else who learns the seventh witch's name has their memories of witches erased .
: 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 .