Four years into marriage, Rei finds herself in a sexless relationship with her husband, yet still cherishes the quiet happiness of daily life. That peace is shattered when her husband's boss sets his sights on her and forcefully takes her by force. Keeping it a secret from her husband, she continues to indulge in the forbidden pleasure. The intense sensations carved into her by her boss's thick cock begin to overwrite even her memories with her husband. As the vivid images of passionate middle-aged sex flash through her mind, her groin grows hot. Rei gradually becomes addicted to this "ecstasy," but lacks the courage to confess to her husband. And so once again, she finds herself returning to her boss...