A few years after I got married to 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 was going to Tokyo, so the time passed uncomfortably. My husband, who was concerned about the relationship between me and Yuzuru-kun, took care of me and called Yuzuru-kun to my parents' house this summer vacation. As a family, I was trying to deepen my relationship as a mother, but the next day my husband went on a business trip. I ended up being alone with Yuzuru-kun...