Having endured daily workplace harassment, Takahashi one day delivered documents to his boss's home and encountered his boss's wife, Yoshimi, who answered the door. Surprised by her unexpected youth and allure, he decided to direct his revenge towards her. Later, using work as an excuse, he contacted her, gradually closing the distance between them while listening to her complaints about her home life. Finally, he succeeded in arranging a secret meeting with her alone. He then proceeded to use his tongue to explore her beautiful, never-before-seen anal cavity...