Her boyfriend is, in a sense, the newlywed Yukari who is in a 'common-law marriage.' One day, to report their marriage, she visits his family home for the first time. However, due to her being too young, his father strongly opposes their marriage. Although she had some suspicions from his previous reluctance to introduce her to his father, Yukari couldn't give up. After sending him home first, she approaches the single father alone to execute a plan she had prepared for this day…
