She Cat by Shingo Yamashiro

4.10

Dr. Cat Kagami was hoping to leave her torrid past behind, but a failed assassination attempt has now put her square in the crosshairs of a team of brutal killers. Now no one is safe, including her lesbian co-worker and a mysterious woman with a terrible secret that could bring down an entire Japanese company. Cat must take the law into her own hands and enact her own special kind of revenge!