Dad was away on a business trip and his son fucked his stepmom at home alone

A few years after marrying my current husband, my happy life had only one problem. That is her relationship with her husband's child, Yuzuru-kun. We got married when Yuzuru-kun was about to go to Tokyo, so time passed uneventfully. My husband, who was worried about the relationship between me and Yuzuru-kun, took care of me and called Yuzuru-kun to my parents' house during this summer vacation. As a family, I was trying to deepen our relationship as a mother, but the next day my husband left for work. I ended up alone with Yuzuru-kun …