Sumire, a married woman, has married a serious and kind husband with whom she has been in a relationship since college, and feels happy in their casual daily life. However, her life changes completely due to her husband's boss. While her husband was away, he took advantage of his position as her boss and forced his swollen, veiny dick into Violet. Sumire's ability to resist gradually weakened as she continued to be given pleasure that she had never felt before with her husband.