A Wind Named Amnesia

風の名はアムネジア

Also known as The Wind Of Amnesia, Il vento dell'Amnesia, Ветер амнезии, Kaze no Na wa Amnesia, Kaze no na wa amunejia

A wind has swept the Earth taking all the memories from everyone. No one knows who they are, how to speak, or how to use the tools of modern civilization. Two years later, a young man who has been re-educated travels across America on a mysterious journey.