Iria: Zeiram the Animation(1994)

She's a bounty hunter with a score to settle.

Iria: Zeiram the Animation is a science fiction action film following a skilled bounty hunter on a dangerous mission. When Iria learns that the fearsome creature she's been hired to track—the legendary Zeiram—may actually be her missing brother, her resolve wavers. Torn between duty and family, she must confront the beast while grappling with the possibility that the monster she hunts could be the brother she thought was lost forever. The anime blends intense action sequences with emotional depth, exploring themes of identity and sacrifice. As Iria closes in on her target, she discovers that the truth behind Zeiram's existence is far more complex than anyone realized, forcing her to make an impossible choice that will define her future.