Botan Dōrō is a Japanese ghost story that is both romantic and horrific; it is one of the most famous kaidan in Japan. The plot involves sex with the dead and the consequences of loving a ghost.
Otsuyu, the daughter of a samurai, takes her life after being forced into an unwanted marriage, and her maid Omi follows her in death. Together as spirits, they visit Otsuyu’s lover, Shinzaemon.