Working under female company president Shihori, Mari is emotionally shaken by her husband's infidelity. One day, invited to Shihori's home, Mari witnesses an unimaginable scene. In a spacious room, Shihori treats her brief-clad male attendant like a toy, repeatedly swapping out his cock to satisfy her pleasure. Mesmerized by the sight, Mari gradually awakens to her own aggressive desires. And the moment this lustful consciousness stirs within her, her husband is brought into the room, limbs bound and restrained.