Astral Project: Tsuki no Hikari

Masahiko lives an isolated life in Tokyo, driving high-class call girls for a living. After his sister's unexplained death, he discovers an unlabeled CD among her belongings. Upon listening to the jazz music on the disc, he experiences an out-of-body episode. As the phenomenon repeats, he begins to suspect a connection to his sister's death. He becomes determined to uncover the truth behind both the CD and her passing.