Sin in the Rain 2006

Directed by Hitoshi Haga

It is raining in Tokyo at night. A woman, named Kimura Yu, is caught in the rain. She has had lots of trauma in her life, because her parents were killed, and to make things worse she experiences another tragedy, her reliable councilor, Kanzaki, is killed. But Yu is "saved" by a mysterious detective named Takamizawa Kyosuke.