Rainbirds

Ren Ishida is nearly finished with graduate school when he receives news of his sister, Keiko's, sudden death. She was viciously stabbed one rainy night, and there are no leads. Ren travels to Akakawa to settle Keiko's affairs, struggling to understand why she abandoned their family for this desolate town years ago. As he takes over her teaching job and a strange lodging arrangement, Ren uncovers secrets about Keiko's life and the night she died, haunted by dreams of a girl trying to communicate with him.