A solitary female investigator who was raped with aphrodisiac and turned into a sex toy by the man she hates most in the world who killed her father. Miu Shiramine.

Kurose, a female investigator who finds out the hideout of a trafficking organization and tries to infiltrate it. Her target this time was to capture Sakurai, the boss of the trafficking organization that killed her father. Thanks to Kurose's efforts, she succeeds in capturing Sakurai, but for some reason she is quickly released on bail. Something is wrong with her... Kurose tried to infiltrate the hideout again, but she was taken hostage this time... Kurose lost her ability to resist, and she became an experimental body for a smuggling organization. It continued to fall.