At that time, the male protagonist was 17 years old and worked in the female protagonist's house, and the female protagonist was 10 years old. The male protagonist always took care of her like an older brother and stayed with her until she was 23 years old. At that time, the male protagonist got married and left this small county with his fiancée to develop in a big city. We meet again. The male protagonist is already successful and the female protagonist is a sophomore.