Yoshimoto, a seemingly unremarkable neighbor, uses hidden cameras to blackmail and dominate the women around him. After recording Kasumi's private habits, he forces her into submission, while simultaneously maintaining a secret, debauched relationship with Akemi, the wife of another neighbor. Ultimately, both women surrender to Yoshimoto's control, becoming his devoted slaves.
Nurse Toyomori Ayase is caught masturbating during her shift by Yoshimoto, who uses a compromising photo to blackmail her into a sexual relationship. Though initially reluctant, Ayase soon becomes addicted to the pleasure, eventually surrendering her will and agreeing to become Yoshimoto's devoted private slave.