Otto wo shakai-teki ni massatsu-suru 5tsu no hôhô (2023)

Okuda Akane has been subjected to domestic violence and moral harassment by her husband, Okuda Daisuke. After experiencing a miscarriage through his abuse, Akane is left to reconsider her life. When a mysterious letter arrives detailing how to socially punish her husband, Akane readily follows its instructions.