Female body-in-law investigator 2

Chihiro and Chihiro infiltrate hideouts to destroy the underground organization led by Bison, which brainwash women and sell them away as slaves, but Chihiro is miserably repatriated and returns as bodies. ...I was supposed to get married once this mission was over. Tomohiro transplants his brain and heart into Chihiro in order to kill Chihiro's kataki. The two "Chihiro" who have been transformed into one body after being transformed into a female body, head to Bison again...!!