Sumire, a married woman who married a serious and gentle husband who had a relationship with her since her college days, and felt happy in the casual daily life of the couple. However, her life is completely changed by her husband's boss. - While her husband was away, she took advantage of her boss's position and forcibly screwed a meat stick that was swollen and had blood vessels floating in Sumire. Sumire, who continued to be given pleasure that she had never felt with her husband, gradually weakened her ability to resist and began to seek pleasure and a meat stick herself.