Nine years ago, she was assigned to NSI as a special investigator and infiltrated a hospital suspected of conducting unauthorized gene splicing experiments. There, she discovered Tsujimaru, who was supposed to have died the previous year. She attempted to identify him but was captured by Onna Ken and subjected to unimaginable pleasure torture, becoming nearly vegetative and losing her memory. Afterward, she changed her name and started a new life in the United States. However, as her dreadful memories gradually resurfaced, she found herself returning to NSI in Japan...
