SHKD-581 Special Investigator, Ruka Sarashina Deeper, deeper ... Saki Umizu

Psychoanalyst Ruka Sarashina is investigating Okura, and ostensibly a practitioner of psychosomatic medicine. Behind the scenes, women are abducted, brainwashed, sexually trained, and then bought and sold, earning huge wealth. Meanwhile, Okura, who took the hostage, called Ruka to the hideout.