Tomorrow is finally the day of my son's kendo competition. I was looking forward to seeing my son's proud figure, who had been practicing hard every day, with my husband. However, the night before... I received a text message from a man I was having an affair with, whom I met at my part-time job. After weighing my desire to cheer for my son and my desire to see him, I pretended to be sick and refused to cheer for my son, inviting him into my empty home...