31-year-old Haruka is eight years into her marriage and raising one child, but she's suffering from a sexless relationship with her husband. She masturbates in the shower almost daily, unable to find satisfaction in her marriage. Known as a beautiful married woman, she regularly indulges in erotic fantasies, dreaming of being pleasured by multiple men as she chases intense sensations. Haruka is lustful and constantly craves sexual stimulation. Recently, she's been undergoing sensitivity tests, becoming thoroughly soaked from arousal. Her longing for sexual excitement has been evident for quite some time.