The Battling Angel

The Battling Angel (2003) is a action, crime, science fiction directed by Ryo Nishimura rated 7.0/10.

Police struggle to uncover Klein, a powerful criminal organization. Asuka, a young detective, is assigned to contact and escort Hatsumi, a mistress of the drug lord Kimikuni, but they are ambushed, leaving Hatsumi brain-dead and Asuka near to death. However, the police concoct a top-secret plan to infiltrate Klein by transplanting Asuka's brain into Hatsumi's body.