Wife to Be Sacrificed

Ikenie fujin is a movie starring Naomi Tani, Nagatoshi Sakamoto, and Terumi Azuma. A woman must endure an extreme ritual when her ex-husband, who has recently escaped from jail, kidnaps her.
A wife charges her husband with sexual battery. He escapes from the police and goes into hiding. In three years, she divorces him and tries to put the pieces of her life back in order, when suddenly he returns. Obsessed with rage and hatred, he kidnaps her and brings her to a house in a remote wooded area. There he disciplines her vehemently, subjecting her to increasingly shocking forms of sexual torture, tetherings, suspensions and humiliations. Astonishingly, through the rage and lust, the pair develops a relationship that pushes the boundaries of lurid passions and perverse obsessions.