Introduction to the novel; ordinary girl, simple family. But because of an incident, the heroine moved into the hero's house. The hero's mother also allowed the heroine to attend the same high school and the same classroom as the hero. The hero originally didn't want to get close to the heroine, but the hero's mother asked the hero to take good care of the heroine. The two sparked love again and again. Unknowingly, they both fell in love with each other, but they didn't know it yet, and some misunderstandings arose because of some things. Will the misunderstanding between the two be resolved?