Female Prisoner Ayaka (2008)

Ayaka has recurring dreams in which she is a prisoner subjected to strip-searches by the guards. Her husband, Kenji, convinces Ayaka to seek medical help, and sleeping pills are prescribed. Back at home, Ayaka takes a shower, during which she masturbates, then goes into a dream in which she engages in lesbian sex with former prisoner Kyōko. While pregnant, Kyōko had killed her unfaithful husband. Ayaka awakens in bed to find Kenji sleeping beside her