Mizuki, a married woman, spends her days indulging in self-pleasure due to her husband's neglect. The man in the next room, hearing her sorrowful moans through the wall, is driven by desire to commit a heinous act of rape. Shockingly, Mizuki, who should be traumatized by the assault, unexpectedly experiences a long-forgotten peak of pleasure. Knowing the joy of being fulfilled, she chooses pleasure over guilt and seeks even more intense adulterous sex with the man who has become her rapist lover.
