"I'm sorry, honey. I'm going to be working overtime until the morning and I don't think I'll be able to go home today..." Her relationship with her manager, Sawaki, began a year ago. Because of her job, she often had to work overtime until late at night, and they were often alone in the office. At such times, he whispered sweet words to her, and she ended up committing adultery. Her husband is currently looking for work and devotedly supports Airi, who is busy with work. Every time she is touched by his kindness, she feels like she is being crushed by immorality. A shocking development that is too much to bear!