Talk:Mikami-Sensei/@comment-24611904-20140730222459/@comment-397235-20140801153752

Grandparents and aunts/uncles and cousins are safe. Thus, Misaki should have been safe from the curse, but being Mei's sister, it could still kill her.

The memory alterations remain for the same reason the dead person can leave Yomiyama: for all intents and purposes it did bring them back, and people not on the mountain would still remember them.