The Phantom of August.

Mamoru works as an illustrator in Tokyo. He and his girlfriend decide to visit his hometown of Onomichi. It is a bitter-sweet homecoming, for Mamoru has not been home in eight years. Upon his return, he experiences flashbacks of his ex-girlfriend, who died eight years ago. Feeling a sense of vulnerability, he visits the temple that he used to frequent in the past. There he sees a vision of Megumi, his ex-girlfriend...