One day in the middle of a record-breaking heatwave, her husband's subordinate, Sanada, came carrying her husband. Hiroka, who had known her husband as a subordinate who had loved her ever since he joined the company, made an apology to Sanada. She treats him kindly, but Sanada forgets that she is his boss's wife and falls in love with her. In her desire, she pushes Hiroka down and has a relationship with her husband while he sleeps...Even after that, the two secretly continue their relationship, hidden from public view. However, with the end of summer, the breakup suddenly comes... *The contents may differ depending on the distribution method. Special feature