A Wind Named Amnesia

The story follows a young man, named Wataru, who wanders into a military testing facility after a global event known as the "Wind" erases everyone's memories. The Wind occurred two years prior, causing widespread chaos as people forgot their names, identities, and even how to speak, resulting in societal collapse. Within the facility, Wataru meets Johnny, a young boy who retained his memories due to experimental treatment, and learns from him before Johnny's health deteriorates.