It was hot and my stepmother came to sleep in the same room and it was a joy

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