Her husband is away, and married woman is indulged in sex with her sex friend at home

Tomorrow is finally the day of my son's kendo tournament. I was looking forward to going to see my son's sunny appearance, which I had been practicing hard every day, with my husband. However, the night before, I received an email asking me to come from a man I met at my part-time job. This is the result of weighing his desire to support his son against his desire to meet him. I used to pretend to be sick and went to bed, refused to support my son, and invited him into our home alone...