Zero Woman: Dangerous Game

In this entry of the Zero Woman series, Rei, the number-one assassin of the Tokyo Police Department's secret Zero Division, is tasked with eliminating a notorious gangster responsible for dozens of murders. Concurrently, she must shield the gangster's mistress from hitmen who intend to prevent her from informing the police of what she knows. Initially, both women are unsettled by the arrangement, but they eventually come to value one another.